Rep. Dingell: the Democratic caucus wants a “fair trial”
01:37Rudy Giuliani associate Lev Parnas alleges that President Trump tried to fire former Ukrainian ambassador Marie Yovanovitch “at least 4 or 5 times”. Congresswoman Debbie Dingell (D-MI) joins Ali Velshi to talk about her call for “a fair hearing” as new evidence comes to light.