Guests: Comedian Martin Short, talk show host Tavis Smiley, economist Stephen Moore, Sen. Barbara Boxer, sportscaster Bob Costas

Topics: Bush's new ads, Kerry, Haiti, steroid scandal in baseball, Super Size Me and fast food, Martha Stewart found guilty

Guests: Author/columnist Jonah Goldberg, political strategist Matthew Dowd, sportscaster Bob Costas, political humorist P.J. O'Rourke (election correspondent), CNN analyst Amy Holmes

Topics: Super Tuesday results, suspension of Mitt Romney's campaign, McCain vs. conservatives, U.S. role as superpower, Roger Clemens steroid controversy and overdependence on prescription drugs, death of Maharishi

Columnist John Feehery, political commentator Chris Hayes, economist Zanny Minton Beddoes, musician John Legend, sportscaster Bob Costas

Gun control advocate Colin Goddard; sportscaster Bob Costas; political strategist Stephanie Cutter; economist David Stockman; activist Saru Jayaraman.

Interview: NBC and MLB sportscasting legend Bob Costas. Panel: ex-US Rep. Jack Kingston (R-GA), ex-NYC Council Speaker Christine Quinn, GOP Strategist Mercedes Schlapp. Panel Guest: "God's Bankers" author Gerald Posner.

Former representative Barney Frank and sportscaster Bob Costas are the interview guests. The panelists are columnist Catherine Rampell, actor Martin Short and Republican strategist Rick Wilson.

Returning from a two-week break after testing positive for COVID-19, Bill opens this week's show by interviewing Emmy-winning broadcaster Bob Costas. For the panel discussion, he is joined by Pulitzer Prize-winning columnist at The New York Times, Nicholas Kristof, and Democratic strategist and co-host of the weekly podcast Politics War Room, James Carville.

Guests: An interview with Coleman Hughes, host of the "Conversations With Coleman" podcast, contributor to The Free Press, and author of the new book "The End of Race Politics: Arguments for a Colorblind America," available this week. This week's panel discussion includes Bob Costas, CNN contributor and 29-time Emmy®-winning broadcaster; and Caitlin Flanagan, staff writer at The Atlantic and author of the new collection of essays titled "On Thinking for Yourself: Instinct, Education, Dissension."