As Clinton's pneumonia and scrutiny about Trump's medical records comes to the forefront, their fitness to lead is questioned.

Hot off the press after an interminable hiatus, The Circus returns with all the reaction to Joe Biden's monumental VP selection: Sen. Kamala Harris, the first woman of color to appear on any major party ticket. As forceful coverage from conservatives looms, former Veep candidates offer their candid advice. Elsewhere, the hosts get a behind-the-scenes look at the planning of history's first-ever virtual Democratic National Convention. Mid-season premiere.