The Last Word with Lawrence O'Donnell 06/20/16

Sen. Chris Murphy: ‘We’re not giving up’

Senator Chris Murphy (D-CT) calls out Sen. McConnell over the Senate's failure to pass gun control reforms. He tells Lawrence what he's doing to continue the fight. Plus, why Sen. Murphy calls Donald Trump's positions on guns more extreme than the NRA. ... more Duration: {{video.duration.momentjs}}