At the last GOP conference meeting of the two-week government shutdown, no lawmakers went to the microphones to give their take. Instead, after Speaker John Boehner told Republicans they had “fought the good fight,” they all rose up to offer a standing ovation. “It was one of the easiest meetings we’ve ever had,” says Representative Mick Mulvaney of South Carolina. “I think he has strengthened his position in leadership,” Representative John Fleming says about Boehner. “He hung in there with us. He’s been reluctant to go to these fights and now that we have stood up and fought for our...