Romney Stares Down Flip Flop Charge

In taped "Special Report" interview Bay Stater - at times uncomfortable - tells Baier he's "not trying to dust [his record] aside" like other candidates; adds media needs to be "better informed about my views."

Focuses attacks on Bam: "I think I stand by far the best shot of replacing President Obama." And/but brands Gingrich "lifelong politician."

PLUS: Claims wasn't "terribly surprised" by Union Leader's endorsement.

Explaining how he came to be pro-life, Romney says Reagan, Bush 43 had similar changes of heart during their careers.

Romney argues right course on illegal immigration is to secure the border; refuses to say what he would do with 11 million already in the US.

Ex-MA Guv says he would be willing to launch unilateral strike against Iran as a last resort but would require "very thorough, top secret briefing" before choosing tactics.