An exasperated McCain has been telling friends in recent weeks that Palin is even more trouble than a pitbull.
In one joke doing the rounds, the Republican presidential candidate has been asking friends: what is the difference between Sarah Palin and a pitbull? The friendly canine eventually lets go, is the McCain punchline.
We owe the new glimpse into the tense McCain/Palin relationship to Sir Nigel Sheinwald, the British ambassador to Washington. Sheinwald recently wrote a lengthy assessment of McCain in a telegram that winged its way across the Atlantic to Whitehall.