SAN DIEGO (AP) -- San Diego police on Friday used pepper spray to break up a human chain formed by anti-Wall Street demonstrators at a downtown plaza where they've camped for a week. Police in the early morning began removing about a half-dozen tents after warning demonstrators their personal belongings couldn't stay in the Occupy San Diego camp. Demonstrators can continue protesting without the tents, tarps and tables, authorities said. One man was arrested before 8 a.m. for interfering with a police officer after he sat down and refused to take away his tent, police Lt. Andra Brown said. After...