Grenell was a longtime spokesman for the U.S. Mission to the United Nations. He was known by the press as a loyal, and combative, appointee to a series of ambassadors including John Bolton, to whom he remains close. He also fought a long, and unsuccessful battle for formal recognition of his partner in diplomatic documents.

The blast from Fischer comes after Romney, in an unusual act that drew less attention than it might have, publicly distanced himself in strong terms from Fischer from the stage of the Values Voter Summit…

“Ric Grennell is the best person for the job. That’s why Governor Romney hired him. Throughout his entire career, Mitt Romney has brought together top talent to tackle the tasks at hand. All Americans should want the best people helping to elect him to take on the job of bringing America back,” Jimmy LaSalvia, the executive director of the group GOProud, told BuzzFeed. “It’s too bad that Mr. Fischer doesn’t agree.”