The Last Word with Lawrence O'Donnell 07/29/16

Slain soldier’s dad: GOP should call out Trump

In a Last Word exclusive, Khizr and Ghazala Khan who told the story of their son – a fallen Muslim U.S. soldier – at the DNC, explained why they chose to call out Donald Trump. Khizr Khan also implored Mitch McConnell and Paul Ryan to stand up to the G ... more Duration: {{video.duration.momentjs}}