Donald Trump continues his attacks against Colorado's delegate system. MSNBC's Lawrence O'Donnell talks with NBC News correspondents Hallie Jackson and Katy Tur, along with MSNBC’s Steve Kornacki and Steve Schmidt for the latest.April 15, 2016
UP NEXT
The obscure law that could mean big trouble for Trump
05:19
White House champions Biden’s ‘history-making’ climate and health bill
03:56
Lawrence: ‘There is no uprising’ for Trump after FBI search
09:41
Mary Trump: Trump is 'panicked' after FBI search of Mar-a-Lago
07:28
FBI searches Trump home on Nixon resignation speech anniversary
03:39
'Trump is clearly the target': FBI veteran breaks down Mar-a-Lago raid