Desperate Trump Slammed For Mariah Carey Defense In Impeachment Probe, MSNBC

Facing damning evidence, President Trump now claims he hardly knows his handpicked ambassador, who was caught up in the impeachment probe. Watch MSNBCs Ari Melber explain the Mariah Carey defense. Aired on 11, 14, 19. Subscribe to MSNBC: MSNBC delivers breaking news, indepth analysis of politics headlines, as well as commentary and informed perspectives. Find video clips and segments from The Rachel Maddow Show, Morning Joe, Meet the Press Daily, The Beat with Ar