SACRAMENTO -- Rudy Giuliani addressed a potentially troublesome issue with conservative voters, saying his policies as mayor to get handguns off the street helped reduce crime in New York. "I used gun control as mayor," he said at a news conference Saturday during a swing through California. But "I understand the Second Amendment. I understand the right to bear arms." He said what he did as mayor would have no effect on hunting. Addressing another potential trouble spot with conservatives, Giuliani spoke in favor of a border fence, saying, "You have to have secure borders, you have to have a...