Clinton Won't 'Take a Back Seat' to Sanders on Environment01:16
Democratic presidential candidates Hillary Clinton and Bernie Sanders talk about the environment during Thursday's debate in Brooklyn, New York.
Will Trump face a Republican challenger in 2020? Here's what has to happen first.02:40
Business leaders concerned about rise of U.S. nationalism, populism02:50
Is Rudy Giuliani really in danger of losing his job?07:02
Thornell: Trump’s primary focus isn’t people struggling in the shutdown05:28
Senate to vote on competing bills to reopen government03:03
Dems can't give into Trump's 'feet stomping': Rep. Dean10:05