Sen. Ted Cruz of Texas, in again throwing previous Republican presidential nominees Bob Dole, John McCain and Mitt Romney under the bus of his own White House ambitions, needs to brush up on his political history. The freshman senator took occasion on CNN the other day to dismiss growing talk of a 2016 presidential bid of former Florida Gov. Jeb Bush by tossing Bush under the wheels along with that trio of losing party standard-bearers, as a means of advancing his own Oval Office fantasies. After insisting he is “a fan” of the son of the 41st president and brother...