Hardball with Chris Matthews 10/12/15

Hillary Clinton, Bernie Sanders set to face off in first debate

Not waiting for the clock to start, Bernie Sanders is tearing into Hillary Clinton for a lack of commitment to progressive positions. He's hitting her on the environment, on trade, and last, but hardly least, on her 2002 voting to authorize the Iraq War. What will Hillary say in return? ... more Duration: {{video.duration.momentjs}}