Trump stands with the Romneys and backs Mitt ’12.

Real estate mogul: “It’s my honor, my privilege, to endorse Mitt Romney.”

Romney: “There are some things that you just can’t imagine in your life. This is one of them.”

Earlier: Trump unequivocally tells Mark Halperin he will not launch independent/third-party bid if Romney wins the nomination.

AND: On CNN’s “The Situation Room,” Trump leaves open the possibility of donating to Romney’s Super PAC.