The Last Word with Lawrence O'Donnell 05/16/16

The War Room: Clinton super PAC's Trump ads

MSNBC’s Lawrence O’Donnell looks at anti-Trump ads that are part of a new $6 million dollar effort by the pro-Hillary Clinton super PAC Priorities USA in four battleground states. Priorities USA Co-Chair and fmr. Obama campaign manager Jim Messina joins. ... more Duration: {{video.duration.momentjs}}