Former presidential candidate Mitt Romney gave a pretty philosophical keynote at the GOP fundraiser tonight. At times the 30-minute address sounded like a history lesson or a college lecture. As the crowd welcomed him with a standing ovation, Romney warned that he'd be speaking seriously. This would be no pep rally full of political zingers. "These are critical times," Romney said. "Defining times for the world and the nation." Romney talked about what he saw as competing world philosophies, including that of jihadists, and critical times in history, like the Civil War and the American Revolution. "Republicans are the revolutionaries...