Mitt Romney just can’t close the deal. Twelve days ago, Mitt was the toast of the GOP. This morning he’s just toast.Twelve days ago, he’d won a “historic” two in a row — Iowa and New Hampshire — and he had a double-digit lead in South Carolina.Now it turns out Mitt didn’t even win Iowa.Mitt had the governor of South Carolina with him, but Newt Gingrich had the two real power brokers — Juan Williams of Fox News and, more importantly, John King of CNN. Those were his foils in the two South Carolina debates.Two minutes into the two-hour Thursday...