The latest poll by Democracy Corps, the firm of James Carville and Stan Greenberg, has Republicans leading on the generic ballot among likely voters, 48 percent to 42 percent. Deep in the poll, they ask, “Now, I am going to read you a list of words and phrases which people use to describe political figures. For each word or phrase, please tell me whether it describes Barack Obama very well, well, not too well, or not well at all.” On “too liberal,” 35 percent of likely voters say it describes Obama “very well,” 21 percent say “well,” 21 percent say...