At this point, you really have to wonder: Is it still news when a Republican says something asinine? On the off chance it is, let us spend a few moments pondering the strange case of Alabama Rep. Mo Brooks, who said last week that the Democratic Party is waging a "War on Whites." Yeah, he actually said that. You can look it up if you want. Mr. Brooks was responding to radio talk show host Laura Ingraham, who had asked him to comment on a remark from National Journal columnist Ron Fournier to the effect that the GOP cannot continue to be competitive in national elections if it...