(CNN) - GOP White House hopeful Mike Huckabee, who vowed late in the Iowa race to avoid an open battle with Republican rival Mitt Romney, is having trouble keeping his pledge. Just days after he pulled an Iowa attack ad aimed at Romney, and with only a few hours of campaigning left before New Hampshire voters head to the polls, he's bitterly lashing out at the former Massachusetts governor.
"I haven't gone after Mitt Romney. Actually, he's gone after me in billions of dollars of ads," says Huckabee. "There are a lot of distortions about my record that I wanted to try and clear up. I am not the one who's having these visions about marching with Martin Luther King and imagining having the NRA endorsement when I didn't."
Watch the entire interview with American Morning anchor John Roberts.
- CNN's Emily Sherman