TUCSON, Ariz. - If the government doesn't build security fencing along the Mexico border, Minuteman border watch leader Chris Simcox says he and his supporters will. Simcox, whose civilian watch group opposes illegal immigration, said Wednesday he was sending an ultimatum to President Bush to deploy military reserves to the Arizona border by May 25 or his supporters will break ground for their own building project. "We're going to show the federal government how easy it is to build these security fences, how inexpensively they can be built when built by private people and free enterprise," Simcox said. Congress has...