MSNBC Live 05/09/16

Trump assigns Christie to head White House leadership team

Donald Trump’s camp has announced that Chris Christie will lead the campaign’s White House leadership team, should the presumptive Republican nominee win the presidency. NBC’s Katy Tur explains what this appointment means for the campaign, and whether Christie will use the position to heal the rift between Trump and House Speaker Paul Ryan. ... more Duration: {{video.duration.momentjs}}