WASHINGTON (AP) -- Republican John McCain plans to run a general election campaign as steadfast protector of the United States in the face of terrorism as well as a crusader against big government. The Democrats, he says, offer neither. "They would govern this country in a way that will, in my opinion, take this country backward," the likely GOP nominee said this week in a speech to conservative activists that served as his opening argument for a fall showdown with either Sens. Hillary Rodham Clinton or Barack Obama. With chief rival Mitt Romney out of the race, McCain is gearing...