Friday on the NewsHour, Iran vows to expand its missile production despite possible new U.S. sanctions. Also: What civilians who remain in the Syrian city of Aleppo face, Mark Shields and Michael Gerson on a year of political news and the National Book Award winner for fiction.

Former President Bill Clinton made his first solo appearances on the campaign trail in New Hampshire to support his wife Hillary's 2016 campaign. Amy Walter of The Cook Political Report and Tamara Keith of NPR join Judy Woodruff to discuss the strategy behind Donald Trump’s first television ad, plus Gov. Chris Christie’s pitch to New Hampshire voters.

Tuesday on the NewsHour, President Obama makes an emotional appeal for background checks and outlines other actions to curb gun violence. Also: A view from Tehran over tensions with Saudi Arabia, New Hampshire grapples with a heroin epidemic, a historic graduation for young Afghan women and MacArthur grant winner LaToya Ruby Frazier documents her struggling hometown.

Wednesday on the NewsHour, North Korea claims it has successfully tested a hydrogen bomb. Also: Why Americans are buying more and bigger cars, efforts to cap sky-high interest rates, a look at life in Mexico after deportation and using cardboard to help children with disabilities.

Thursday on the NewsHour, China's market makes a great fall, routing stocks around the world. Also: How the 2016 election is playing out in advertisements, new guidelines for how to eat, getting happiness by giving to others, the lifelong consequences of segregated schools, a new true crime documentary raises questions about the justice system and how a graphic journalist uses art to tell stories.

Friday on the NewsHour, the last jobs report of 2015 shows signs of sustained growth in the U.S. economy despite global turmoil. Also: Mexican drug lord El Chapo recaptured, sexual assault stoke tensions over migrants in Germany, rising interest in personal health technology and David Brooks and David Corn analyze the week's news.

Monday on the NewsHour, with weeks to go until the Iowa Caucuses, the race between Democrats Hillary Clinton and Sen. Bernie Sanders tightens. Also: A campaign to bridge the partisan divide, the legacy of David Bowie, the Supreme Court considers mandatory union dues, the ethics of interviewing.

Tuesday on the NewsHour, President Obama prepares to set the tone for his final year in office with his last State of the Union address. Also: A deadly suicide bombing rips through Istanbul, the UN delivers aid to a besieged Syrian city, college graduates help first-generation students with applications, a former convict finds poetry and a new life and why the Internet may not be bad for you.

Wednesday on the NewsHour, 10 U.S. sailors are released after their boats were seized for entering Iranian waters. Also, President Obama uses his State of the Union address to critique the 2016 race, a former NRA chief talks gun policy, Germany’s migrant stance draws local backlash, the St. Louis Rams prepare to return to Los Angeles and architecture’s highest award goes to Alejandro Aravena.

Thursday on the NewsHour, Islamic State militants claimed responsibility for a terror attack that killed seven in Jakarta. Also, the story beyond the tragic image of a dead Syrian refugee that went viral, the White House’s vow to end cancer in America, the Academy Awards struggle with diversity, older women may have more trouble finding jobs and a photographer looks at how his passion has evolved.

Friday on the NewsHour, Chinese market struggles and plummeting oil prices lead to big losses on Wall Street. Also: Donald Trump and Ted Cruz dominate the Republican debate, Shields and Brooks discuss the 2016 presidential race, Silicon Valley tries to fix its diversity problem and Civil War trauma meets medical drama in the PBS miniseries “Mercy Street.”

Monday on the NewsHour, sanctions are lifted and prisoners are freed in what could be a new era of relations with Iran. Also: Democratic presidential candidates meet up for their final debate before voting, a massive natural gas leak displaces families in California and the words of Martin Luther King Jr.

Tuesday on the NewsHour, the Supreme Court will hear the case against President Obama’s executive action allowing 4 million undocumented immigrants to stay in the U.S. Also: U.S. Envoy Brett McGurk reflects on the prisoner exchange with Iran, China’s economy grows at its slowest rate in decades, an author explores the autism spectrum and a new nursing program is boosting kids’ brainpower.

Wednesday on the NewsHour, a water crisis in Flint, Michigan, has the governor on the defensive and residents outraged. Also: A warning for pregnant women about the Zika virus, rethinking what’s important on the college application, reporters on the campaign trail to go beyond the polls in Iowa and New Hampshire, telling the story of autism and a tribute young photographer killed in Burkina Faso.

Thursday on the NewsHour, a British inquiry concludes that Russian President Vladimir Putin likely approved the killing of Alexander Litvinenko. Also: Sen. Rand Paul shares his secret to winning Iowa, the Buffalo Bills hire the NFL’s first female coach, an author examines the ingredients for genius, dangers for women on the refugee trail and TV ads that make smokers want to quit.

Friday on the NewsHour, Washington joined other parts of the East Coast in declaring a state of emergency ahead of a massive snowstorm. Also: Presidential candidates sharpen their attacks as voting draws closer, Brooks and Marcus discuss the week in politics, a possible new ninth planet, schools add Wi-Fi to busses, a debate over the growing feral cat crisis and why the world needs a Muslim jedi.

Monday on the NewsHour, a look at recovery efforts as the East Coast digs out from a deadly blizzard. Also: The race for caucus support as the Iowa contest nears, Egypt five years after a political uprising, gold wars in Washington state, calls for accountability in the Flint water crisis, ancient sculptures once thought lost forever and a girl changing minds on the football team.

Tuesday on the NewsHour, President Obama announces plans to ban solitary confinement for youth in federal prisons. Also: Campaigning intensifies as Iowa draws near, how presidential candidates tap into fear, high school vocational training as an alternative to college, the government battles postpartum depression, Mozart reaches 260 years and a student challenges stereotypes with dance.

Wednesday on the NewsHour, a confrontation between law enforcement and an anti-government militia in Oregon ends with arrests and one death. Also: Donald Trump opts out of the next debate, Kenya’s war against poachers, Google develops the latest in A.I. technology, a freed reporter works to reclaim his life, D.C. plans a WWI memorial and one student stands out as the only female welder.

Thursday on the NewsHour, the World Health Organization considers issuing an emergency over the fast-spreading Zika virus. Also: An American freed from Iranian prison describes his ordeal, a Republican debate without Trump, how ethanol may fuel Iowa voters, why the U.S. economy’s best days may be over, remembering the Challenger disaster, why radio will never die and two girls who love to build.

Friday on the NewsHour, days before the Iowa caucus, Democratic candidates fight for Iowa women voters. Also: Sen. Ted Cruz plays defense in the latest GOP debate, Brooks and Dionne talk the week in politics, Barbie gets a makeover, prescription drug shortages force doctors to make tough decisions, a Danish dance troupe stands up for refugees and a female JROTC officer takes command.

Monday on the NewsHour, it’s caucus night in Iowa. We preview the nation’s first voting contest with a look at Evangelicals' role in shaking out a crowded GOP field, Amy Walter and Tamara Keith update what's happening on the ground, David Brooks and Michelle Cottle analyze the state of the race, plus a fight over core conservative principles.

Tuesday on the NewsHour, after Cruz and Clinton claim victory in Iowa, candidates shift their focus to New Hampshire. Also: What’s at stake going into the next round of primaries, the Islamic State’s expansion in Libya, San Francisco police face review after a fatal shooting, Oklahoma leads the nation in preschool education and lost photographs illuminate black history.

Wednesday on the NewsHour, Democratic candidates debate liberal credentials while Republicans brawl over victory margins. Also: How to fight the Zika virus, Sweden suffers vigilante violence over refugees, Yahoo faces financial struggles, a three-parent DNA treatment raises debate, big data meets modern medicine and how women are changing the way America works.

Thursday on the NewsHour, candidates double down on attacks as the New Hampshire primary approaches. Also: Colombia’s president asks for U.S. aid to help FARC peace efforts, new Syrian hostilities threaten diplomatic talks, the controversy over online daily fantasy sports, a brand new natural wonder, the search for life’s meaning in the face of death and the role of fearlessness in black art.

Friday on the NewsHour, Democrats square off in a contentious debate as Republican candidates jockey for survival days before the New Hampshire primary. Also: A report from the epicenter of the Zika outbreak, the many lives of Syrian refugees living in Lebanon, the political analysis of Shields and Brooks, the psychology of sports teams and their fans and the end of trust in America.

Monday on the NewsHour, presidential candidates make one last push for support in New Hampshire on the eve of the nation’s first primary. Also: Sen. Bernie Sanders and Hillary Clinton fight for middle class voters, a look inside the presidential campaigns, Amy Walter and Tamara Keith talk politics, Brazil wages war on the Zika epidemic and a NATO build-up threatens to reignite Cold War tensions.

Tuesday on the NewsHour, presidential candidates make one last push for votes in the New Hampshire primary. Also: GOP factions fight for the future of their party, Amy Walter and Tamara Keith make primary predictions, Granite State voters by the numbers, Shields and Brooks talk New Hampshire influence, a battle for Aleppo could trap thousands and Detroit teachers protest inadequate schools.

Wednesday on the NewsHour, presidential candidates move on to South Carolina after Donald Trump and Bernie Sanders claim New Hampshire victories. Also: Analyzing the next phase of the White House race, checking in on Egyptian leaders of the Arab Spring, assessing the top global threats, the Supreme Court halts Obama’s climate change plan and a new play examines the decline of the Rust Belt.

Thursday on the NewsHour, Hillary Clinton and Sen. Bernie Sanders ready for PBS’s Democratic debate in Milwaukee. Also: How Egypt’s courts enforce the government crackdown, spacetime ripples prove the theory of relativity, puppies conceived by IVF may help save endangered animals, how economics can help you find love, a look inside the world’s largest refugee camp and comedian Billy Eichner.

Friday on the NewsHour, Hillary Clinton and Sen. Bernie Sanders meet for their sixth Democratic debate. Also: World powers strike a fragile cease-fire agreement for Syria, Egypt’s women fight sexual violence through activism, a moment 1,000 years in the making for two religious leaders, Shields and Brooks talk the week in politics and the Holocaust’s silenced violins speak for horror and hope.

Monday on the NewsHour, what the death of Justice Antonin Scalia means for the future of the Supreme Court and the race for the White House. Also: Attacks on hospitals and schools kill dozens in Syria and why the residents of Freddie Gray's Baltimore neighborhood don't trust the city's big hospitals.

In our news wrap Tuesday, President Obama vowed to nominate a Supreme Court justice to succeed the late Antonin Scalia, despite calls from Senate Republicans to leave the appointment to his successor. Also, a winter storm whipped up trouble overnight. Millions faced an icy morning commute on the East Coast, while tornadoes ripped through the Florida panhandle and Mississippi.

Wednesday on the NewsHour, high-ranking senators weigh in on the fight over nominating Justice Antonin Scalia's successor. Also: Apple opposes a judge's order to unlock the iPhone for the FBI, campaign dispatches from battleground states South Carolina and Nevada, an Apartheid-era police official helps those he once brutalized and film composer Carter Burwell on the craft of storytelling.

Thursday on the NewsHour, Pope Francis calls Donald Trump's immigration ideas un-Christian. Also: An historic presidential visit to Cuba, using political betting markets for White House predictions, righting the wrongs of the civil rights era, a look behind the leading destination for celebrity news, old allegations renewed about Peyton Manning and a playwright and performer on passion.

Friday on the NewsHour, with less than 24 hours to go before polls open in South Carolina’s Republican primary, trailing GOP contenders make one last push for support. Also: a look at South Carolina’s sharp-edged political scene, Shields and Brooks talk the week in politics, Europe works to save refugees in the Aegean Sea, how Iran will choose its next Supreme Leader and the legacy of Harper Lee.

Monday on the NewsHour, following the latest round of voting, Amy Walter and Tamara Keith talk the changing face of the 2016 race. Also: The proposed Syrian ceasefire takes effect next week, the Supreme Court remembers Antonin Scalia, U.K. considers European Union exit, how elephants could help cure cancer, a son celebrates his father’s activism with poetry and a 106-year-old dances with Obama.

Tuesday on the NewsHour, President Obama announces plans to close the detention center at Guantanamo Bay, drawing vocal opposition from GOP lawmakers. Also: Republican candidates prepare for the Nevada caucuses, sea levels rise faster than ever before, Los Angeles’ plan to reform special education, how governors are tackling the opioid epidemic and a historic dance company prepares for new steps.

Wednesday on the NewsHour, presidential candidates scramble for votes across dozens of states as Super Tuesday looms on the horizon. Also: A look inside today’s divided political landscape, critics question the extent of America’s nuclear arsenal in a post-Cold War world, how intelligence policies have changed after 9/11 and a former banker wants to dismantle big banks.

Thursday on the NewsHour, Republican presidential candidates prepare for the 10th GOP debate in Houston. Also: Doubts swirl about the looming Syrian ceasefire agreement, how economic fears feed into populist politics, the mother of a Columbine shooter writes on her son, Tijuana police step up efforts against the homeless, a former model’s plan to diversify fashion and why Black Girl Magic matters.

Friday on the NewsHour, Gov. Chris Christie endorses Donald Trump hours after a contentious debate that saw rivals taking aim at the GOP frontrunner. Also: Clinton and Sanders battle for black votes in South Carolina, Shields and Ponnuru talk the week in politics, Iran’s moderates hope for big election gains, an all-white Oscars ceremony draws racial scrutiny and Obama rocks out to Ray Charles.

Monday on the NewsHour, with less than 24 hours before polls open for Super Tuesday, candidates train their sights on Trump. Also: Amy Walter and Tamara Keith talk politics, reformist electoral gains in Iran spark hope, the new face of cybercrime, South Dakota considers a seminal transgender law, African nations fight jihadists and how the investigative journalism of ‘Spotlight’ can survive today.

Tuesday on the NewsHour, presidential candidates make last-minute pushes for support as the nation’s largest primary contest begins. Also: How different generations see the Democratic race, what Super Tuesday voters are talking about, why Super Tuesday became a make-or-break contest, Shields and Brooks talk the stakes of Tuesday’s vote and tension brews over special education in LA schools.

Wednesday on the NewsHour, Hillary Clinton and Donald Trump build on their sizable delegate leads with big wins on Super Tuesday. Also: How Donald Trump is tearing the Republican party apart, the Supreme Court hears its first abortion case in nearly a decade, the U.S. Ambassador to the United Nations talks North Korean sanctions and astronaut Scott Kelly returns from a year in space.

Thursday on the NewsHour, former presidential nominee Mitt Romney leads the Republican establishment against Donald Trump. Also: A look at the GOP’s deepening schism, scientists hope mutant mosquitoes can stop Zika virus, how the Islamic State is using child soldiers, the glass ceiling drives women away from Wall Street, Diane Rehm talks assisted suicide and Thao Nguyen unleashes the beast within.

Friday on the NewsHour, Thursday night’s GOP debate sees Republican contenders abandon civility in favor of hostility. Also: Brazil’s former president is detained in corruption probe, how the EU is handling the migrant crisis, why rural hospitals are dying out, Trump cancels his CPAC appearance, Shields and Brooks talk politics, better living through criticism and a tour of all the nation’s parks.

Monday on the NewsHour, trailing presidential contenders play catch-up in the weekend’s primaries. Also: Amy Walter and Tamara Keith talk politics, remembering the life and legacy of Nancy Reagan, Europe weighs the threat of terrorists hiding among migrants, a look at a small-town store run by students, how wi-fi buses are helping schools in poor districts and Afghanistan’s Romeo and Juliet.

Tuesday on the NewsHour, presidential candidates prepare for another round of voting Tuesday, with all eyes on the top prize of Michigan. Also: Vice President Biden undertakes a new Israeli-Palestinian peace initiative, the SATs see their first major changes in more than a decade, a look at ‘cities that work,’ a historic dance company prepares for new steps and how homegrown jihadists are made.

Wednesday on the NewsHour, Sen. Bernie Sanders triumphs in Michigan just before another Democratic debate while GOP figures clash over Donald Trump. Also: An inside look at the class-action lawsuit against Trump University, how to build a thriving rural hospital, a wave of Palestinian attacks leaves Israel in turmoil, cooking therapy with Ruth Reichl and why pediatricians now screen for poverty.

Thursday on the NewsHour, Sen. Ted Cruz picks up his first senatorial endorsement, from Utah Sen. Mike Lee. Also: Who’s on pace to win Ohio and Florida, the Atlantic examines Obama’s foreign policy legacy, the Federal Reserve considers hiking interest rates, how to handle doubt when you’re on stage, violins speak for the horrors of the Holocaust and eastern Europe closes its borders to migrants.

Friday on the NewsHour, Dr. Ben Carson endorses Donald Trump after an unusually civil Republican debate. Also: The nation bids farewell to former first lady Nancy Reagan, Shields and Brooks talk the week in politics, an exclusive look at the unprecedented cleanup of the Fukushima power plant, the hunt for gold dredges up conflict in Washington state and Syrian artists seek solace in their work.

Monday on the NewsHour, more campaign chaos emerged as candidates readied for Tuesday’s primaries. Also, a look inside the battle for Ohio, Amy Walter and Stuart Rothenberg talk politics, the migrant crisis continues to worsen as Syrian peace talks begin, how the rigged economy is motivating pessimistic voters and an on-the-go solution for gluten allergies.

Tuesday on the NewsHour, a new round of primary voting is likely to breathe new life into failing campaigns or push frontrunners past challengers. Also: Why one Tar Heel family is backing Trump, drastic changes mark the fifth anniversary of the Syrian war, how veterans are getting into elite colleges, the legacy of a UNC icon, a filmmaker brings cinema back to the Congo and an Obama freestyle.

Wednesday on the NewsHour, President Obama has nominated a judge to fill the late Antonin Scalia’s spot on the Supreme Court, despite opposition from Congressional Republicans. Also: A look at the Supreme Court nominee’s record, Tuesday’s primaries leave Donald Trump and Hillary Clinton in pole position, why Bowe Bergdahl left his post and a crumbling Italian town makes a comeback.

Thursday on the NewsHour, House Speaker Paul Ryan insists he won’t stand for the GOP’s presidential nomination at the RNC convention. Also: Congress grills officials on Flint’s water crisis, SCOTUS nominee Merrick Garland visits Capitol Hill, controversy over whether college athletes should be paid, SeaWorld stops breeding killer whales and how Silicon Valley is fixing its diversity problem.

Friday on the NewsHour, the main suspect in November’s deadly Paris attacks is arrested in Belgium. Also: Turkey and the EU reach a deal over the migrant crisis, GOP activists mull plans to block Trump, Shields and Brooks talk politics, a new film examines drone warfare, peer pressure could help students apply to college, home visits by nurses may boost kids’ brainpower and the birth of an eaglet.

Monday on the NewsHour, President Obama meets with Cuban President Raul Castro in a historic trip to the communist island. Also: What Obama’s visit means for Cuba-U.S. relations, Donald Trump meets with GOP lawmakers behind closed doors, Colombia’s FARC rebels prepare for peace, a Marine reflects on living amid terrorism and a jazz club’s 50-year tradition.

Tuesday on the NewsHour, the Islamic State group claims responsibility for several bombings in Brussels. Also: What the Brussels attacks mean for the fight against terror, Obama calls on Congress to lift the Cuban embargo, help for foster kids who face great educational challenges, uncertainty for refugees facing possible deportation in Greece and West Coast towns prepare for a major disaster.

Wednesday on NewsHour, we take a look at Ted Cruz's announcement that he will run for president; the first Republican to do so. Also: Yukiya Amano of the nuclear watchdog IAEA talks on the Iran deal, Shaken Baby Syndrome under scrutiny, Charlottesville police find no proof of UVA gang rape, how the First Amendment affects your specialty license plate, and Kodak's transformation in the digital age.

Thursday on the NewsHour, European officials hold an emergency meeting to discuss enhancing national security in the wake of the Brussels attacks. Also: The UN convicts Radovan Karadzic of genocide, a new North Carolina law restricts protections for LGBT people, how economic divisions foster populist politics, Barney Frank reflects on big banks and why immortality might be in our future.

Friday on the NewsHour, Belgian authorities conduct raids and make arrests across Brussels in connection to Tuesday’s terror attacks. Also: Fighting ISIS on the battlefield and on social media, Shields and Brooks talk the week in politics, how Kentucky is battling a cancer epidemic, what motivates hate groups in our country and remembering the lives of Garry Shandling and Phife Dawg.

Monday on the NewsHour, the Iraqi army launches an offensive to retake the vital city of Mosul from the Islamic State. Also: Pakistani authorities crack down after an Easter suicide attack on Christians in Lahore, Amy Walter and Tamara Keith talk politics, how to turn poop into renewable energy, inside the international manhunt for Balkan war criminals and a look back at the late Jim Harrison.

Tuesday on the NewsHour, an endorsement and a criminal charge dominate the campaign trail as attention turns to the Wisconsin primary. Also: Unions make an unlikely win at the Supreme Court, the FBI cracks a locked iPhone, Iraqi Christians take up arms, where the candidates stand on immigration, a former foster youth defies the odds and remembering the national response to the crack epidemic.

Wednesday on the NewsHour, the presidential candidates stump in Wisconsin and New York ahead of upcoming primaries. Also: A look at what’s driving Trump’s appeal, the past and future of U.S. policy in the Middle East, how a Colombian peace deal could impact the drug trade, the battle for conservation in Coachella Valley and decaying books tell the story of Slovakian Jews in the Holocaust.

Thursday on the NewsHour, rival presidential candidates are turning up the heat on Donald Trump’s controversial statements. Also: Unpacking Trump’s global vision, what women voters want, why tensions are rising within China, an app for college scholarships, Venezuela plunges into economic freefall and wage discrimination in women’s soccer.

Friday on the NewsHour, leaders from around the globe conclude a summit on keeping nuclear material away from terrorists. Also: Two of largest states raise the minimum wage to $15, how a new voter ID law affects Wisconsin voters, Shields and Brooks on the week's news, a visit to Palmyra after the ISIS occupation and Lianne La Havas on her music.

Monday on the NewsHour, Greece begins deporting migrants back to Turkey as some Syrian refugees are transported to Germany. Also: The Panama Papers expose dirty dealings behind shell companies, what’s on the minds of Wisconsin voters, Amy Walter and Tamara Keith talk politics, Kurdistan teeters on the brink of bankruptcy and how the combination of sex and social media affects teenage girls.

Tuesday on the NewsHour, presidential candidates make their final pitches before the Wisconsin primary. Also: Supreme Court nominee Merrick Garland visits Congress, how digital education could compromise privacy, exploring the racial care gap in medicine, archaeologists return to sites once held by ISIS, the NCAA tournament makes history, inside the eviction crisis and an underwater art gallery.

Wednesday on the NewsHour, how will Sen. Bernie Sanders’s and Sen. Ted Cruz’s victories in Wisconsin affect the 2016 race going forward? Also: Why diabetes cases quadrupled worldwide over the last 40 years, scientists search for El Niño secrets, weighing peace prospects in Israel, empowering India’s street vendors and remembering country music legend Merle Haggard.

Thursday on the NewsHour, Democratic candidates swap shots over qualifications. Also: The Obama administration takes steps to rein in big business, a Rust Belt town touts revitalization via refugees, questions emerge over U.S. involvement in Yemen’s civil war, Anita Hill 25 years later, how sandstone mining kills Indian workers and Padma Lakshmi celebrates all things female.

Friday on the NewsHour, Hillary Clinton and Sen. Bernie Sanders cool their war of words over presidential qualifications. Also: Pope Francis urges greater tolerance for divorced and remarried Catholics, Alabama’s overcrowded prison system hits a breaking point, inside Kenya’s war with Islamic terrorism, Brooks and Marcus talk politics and robotics help a man run again.

Monday on the NewsHour, GOP candidates ramp up their war over delegates as the nomination race tightens. Also: Amy Walter and Tamara Keith talk politics, corruption runs rampant in Kenya, documenting Syrian war crimes in real time, why poor people in rich neighborhoods live longer, remembering the civil rights legacy of Jackie Robinson and playwright Tracy Letts examines what makes us us.

Tuesday on the NewsHour, House Speaker Paul Ryan rejects the idea that he will seek the GOP presidential nomination. Also: Inside the 2016 delegate dance, how Dodd-Frank isn’t going far enough, why Denmark is the happiest place on Earth, NYC colleges invest in student support, the history of female presidential candidates, art boosts a town’s falling population and the case for political silence.

Wednesday on the NewsHour, Democratic candidates court labor unions as Donald Trump lambasts the GOP’s delegate rules ahead of the New York primary. Also: A major windfall for cancer research from Sean Parker, neural engineering works to mend paralysis, a look at America’s nuclear warriors, water ATMs may solve India’s water crisis and Jacques Pépin explains why cooking is all about context.

Thursday on the NewsHour, how the media is shaping the 2016 presidential race. Also: Why the Chicago Police Department has a race problem, all the financial advice you need on one index card, health advocates score a major victory with folic acid, the stories behind Canada’s assisted suicide battle, the Golden State Warriors make history and Danny Strong says write what you don’t know.

Friday on the NewsHour, Democratic presidential candidates eye Tuesday’s pivotal New York primary after their most contentious debate yet. Also: Microsoft sues the Department of Justice over data access, inside the GOP’s nomination process, Shields and Brooks talk politics, the European migrant crisis garners papal attention and a star violinist aids other musicians in need.

Monday on the NewsHour, Ecuador continues to dig out after a devastating earthquake. Also: The Supreme Court takes on the president’s immigration actions, a Politics Monday preview of the New York primary elections, political upheaval in Brazil, scrutiny for the IRS on cybersecurity, religious divisions over India’s sacred cows and confronting the threat of Zika virus in the U.S.

Tuesday on the NewsHour, presidential front-runners hope for big gains in the New York primary. Also: Taliban violence continues in Afghanistan, how the U.S. is supporting Iraq against ISIS, what winning New York means for the candidates, safe water is no safe bet for some U.S. schools, Lesbos braces for economic hardship and inside the Washington Post’s Pulitzer-winning police shootings database.

Wednesday on the NewsHour, trailing presidential candidates vow to fight on despite big losses in New York. Also: Where the race for the White House goes from here, adding Harriet Tubman to the $20 bill, the Supreme Court considers controversial drunk driving laws, Memphis tries rooting out childhood trauma, the link between seafood and slavery and overcoming midlife ennui.

Thursday on the NewsHour, controversies over rules dominate the day on the campaign trail. Also: Inside the electoral battles for Pennsylvania and Maryland, how trade policy is playing out in the race for the White House, why the U.S.-Saudi relationship is under strain, the fight over a carbon tax in Washington state, the co-founder of AOL offers his vision of the future and looking back on Prince at his best.

Friday on the NewsHour, new CDC statistics point to an alarming rise in nationwide suicide rates. Also: Virginia Gov. Terry McAuliffe restores voting rights to convicted felons, Shields and Brooks talk politics, how al-Shabab is winning the propaganda battle in Kenya, proponents of a new national park in Alabama face an upstream battle and President Obama reflects on Prince’s legacy.

Monday on the NewsHour, Donald Trump rails against an alliance between Sen. Ted Cruz and Gov. John Kasich. Also: Deploying more U.S. forces to Syria, echoes of the Democratic presidential fight in Maryland, Amy Walter and Tamara Keith talk politics, corruption stalls Nepal’s earthquake recovery, the impact of Beyonce’s new album and why bipartisan environmentalism is key.

Tuesday on the NewsHour, Donald Trump and Hillary Clinton hope for big wins in five Northeastern states. Also: The 30-year legacy of Chernobyl, preparing for life after college before you enroll, how U.S. farmers are keeping fossil fuels off the fields, danger for Burundian refugees in Kenya and Theaster Gates mixes art with activism to revitalize poor neighborhoods.

Wednesday on the NewsHour, Donald Trump lays out his foreign policy approach after victories in five more states. Also: Former House Speaker Dennis Hastert sentenced for a hush-money scandal, how a Seattle murderer slipped through the cracks, using brain trauma therapy to help autistic patients understand emotions and concussion sensors could change the game for athletes with head injuries.

Thursday on the NewsHour, an airstrike on a hospital is another sign that the Syrian cease-fire is in jeopardy. Also: Bringing the delegate fight to Indiana, how North Carolina’s bathroom law sparked business backlash, criminal justice reforms from the Senate and Obama administration, E.O. Wilson’s plan to save biodiversity and what it means to be unapologetically black.

Friday on the NewsHour, what the Pentagon discovered in its investigation of last year’s bombing of an Afghan hospital. Also: Inside Virginia’s delegate dance, Shields and Brooks talk politics, a global walking tour of human history, “Shuffle Along” revives its predecessor's forgotten legacy and the Senate approves a new national mammal.

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暂无英文的剧情简介，请帮助我们添加到数据库。

暂无英文的剧情简介，请帮助我们添加到数据库。

暂无英文的剧情简介，请帮助我们添加到数据库。

暂无英文的剧情简介，请帮助我们添加到数据库。

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