The Last Word with Lawrence O'Donnell 04/15/16

On the Trail: New York primary race gets testy

Trump says the system is rigged. Cruz is in third in New York Polls. And Kasich keeps making his case to voters. Plus, the battle between Clinton and Sanders gets heated ahead of the New York primary. MSNBC's Lawrence O'Donnell has the highlights. ... more Duration: {{video.duration.momentjs}}