Gingrich to NewsHour: I Have Momentum to Beat 'Liberal'...
Video duration: 11:26
GOP presidential hopeful Newt Gingrich sat down with Gwen Ifill Thursday in South Carolina after Texas Gov. Rick Perry announced his endorsement of the former speaker of the House. Gingrich discussed his momentum ahead of Saturday's primary, and said his candidacy was the only "practical vote" to stop a Mitt Romney nomination.