The Last Word with Lawrence O'Donnell 08/01/16

Military Mom on why she confronted Mike Pence

At a Monday campaign event in Nevada, military mom Catherine Byrne confronted Mike Pence about Donald Trump's comments on Khizr Khan asking him if he'll tell Trump, "enough is enough." Byrne joins The Last Word in an exclusive interview to tell her story. ... more Duration: {{video.duration.momentjs}}