He was simply responding to a question by a participant in a tele-townhall meeting.
Caller: If you’re fortunate enough to be nominated, would you consider having Sarah Palin as your running mate?
Gingrich: She is certainly one of the people you would look at. I am a great admirer of hers and she was a remarkable reform governor of Alaska, she’s somebody who I think brings a great deal to the possibility of helping in government and that would be one of the possibilities.