At Politico, Mike Allen reports a Trump campaign official says the Donald will sign a GOP loyalty pledge agreeing to support the party's eventual nominee and not run as a third party spoiler. If true, this is one less thing for Republicans to worry about. Given his current front- runner status, it makes sense even if it does open him up to flip-flop charges.
Update: The rumor proves correct, he has signed the pledge, according to Politico.
