The 87 freshmen Republican congressmen who took their seats in the House of Representatives in January were supposed to ensure John Boehner’s place in American history books. They still could. Just not in the way the Speaker might have hoped. ... Mr. Boehner mused this week that negotiating a debt deal acceptable to President Barack Obama, the Republican House majority and a Senate that is nearly evenly split between the parties is like solving a Rubik’s cube. But that is only partly true. At least every side moves on a Rubik’s cube. “John Boehner is an old-style Republican. He’s conservative,...