Keller: Sen. Elizabeth Warren, John Deaton bring energy and passion in first debate
This was Deaton's biggest chance so far to introduce himself to a mass audience and engage Warren, who has been floating above the fray, only now airing her first TV ad. And he did his best to try to paint the two-term incumbent as a partisan "extremist" who has grown out of touch with the needs of Massachusetts during her 12 years in Washington.