Hardball with Chris Matthews 10/14/15

Trump weighs in on Democratic debate

Donald Trump is on the attack, but this time, he's grazing Hillary Clinton and hitting Bernie Sanders... hard. What did Trump see from Bernie last night that put the Vermont Senator in his sights? NBC News’ Katy Tur had a one-on-one conversation with the Republican front-runner. ... more Duration: {{video.duration.momentjs}}