For Jeb Bush's campaign, August was a cruel month. Donald Trump's attacks on the former Florida governor as a "low-energy" politician were beginning to stick, and the two were bickering over immigration. The issue before the Bush team was what to do about it. -snip- Mike Murphy, the chief strategist for Bush's super PAC, Right to Rise, explained what had happened this way on Sunday. "Our theory was to dominate the establishment lane into the actual voting primaries," he said. "That was the strategy, and it did not work. I think it was the right strategy for Jeb. The problem...