Hardball with Chris Matthews 11/23/15

Carson walks back comments on 9/11

2016 frontrunner Donald Trump says thousands of people in New Jersey were cheering after the September 11th attacks. It's just not true, never happened, and yet Trump is only getting stronger in the polls. The Washington Post’s Eugene Robinson and USA Today’s Heidi Przybyla have more. ... more Duration: {{video.duration.momentjs}}