The Last Word with Lawrence O'Donnell 07/05/17

North Korea and Trump's high stakes on the global stage

Donald Trump's failure to lead as North Korea launches its most successful missile test yet is causing alarm among leaders in the U.S. and around the world. What can Trump do to alleviate the situation? Nicholas Kristof and John McLaughlin join Lawrence O'Donnell. ... more Duration: {{video.duration.momentjs}}