‘If Jeb Bush’s name were Jeb Smith, he’d be the next president of the United States,” says Texas governor Rick Perry, and then there’s a long pause in the conversation to let pass the unspoken corollary: “And if Rick Perry were the governor of Florida . . . ” People constantly ask Governor Perry if he’s thinking about running for president. In fact, they ask him if he’s thinking about running for president so often that by now he almost certainly must be thinking about running for president, even if he wasn’t thinking about it before. He plays down that...