King's lack of any endorsement at this late date indicates that the five-term House member may let the caucus results help him decide who to support. However, he did outline what qualities he likes in several candidates, and indicated that he would likely support Rep. Michele BachmannMichele Marie BachmannTom Petty dies at 66 Bachmann: Muslim immigrants trying to undermine Western civilization Religious leaders pray over Trump in Oval Office MORE's candidacy if she were higher up in the polls.

King said Bachmann "checks all the boxes for me," but when asked what her weakness was said, "The traction in the campaign is part of it."

Mitt Romney, King said, is a "consummate executive," while he called Newt Gingrich "brilliant" and someone who "understands the full flow of history." King said Ron Paul's weak spot is his desire to pull back the U.S. military, and said that while Rick Santorum is good on the Constitution, he has "not as good an understanding, I don't think, of the economics."