Five days ago, a New York Times article delivered a shot heard ’round the world. It came in the form of a statement by Eric Holder, the attorney general. About some of the criticism directed at him, he said, “This is a way to get at the president because of the way I can be identified with him, both due to the nature of our relationship and, you know, the fact that we’re both African-American.” Buckle your chinstrap: We’re going to be hearing a lot of this sort of thing in 2012. Will it be all race, all the time?...