Romney Endorses McCain

"Even when the contest was close and our disagreements were debated, the caliber of the man was apparent."   Calls McCain "a true American hero." Read full remarks here. Watch clip above.   Associated Press: "Romney collected 280 delegates during his run through the early primaries and caucuses, more than enough to put McCain over the total of 1,191 needed to clinch the nomination."   Huckabee responds on CNN: "Most people are saying it looks like McCain is the inevitable nominee, but I'm not most people."