mat wolfer and paul bowers planning to spend a week being home unless columbia, south carolina. before going for a week, they decided to take a test run, so to speak. that's when they ran into trouble. while trying to sleep in a park, three men with guns tried to rob them. >> until we saw the guns and realized kind of, what was their intent. >> he had it pointed me at my chest, asking for cell phones, wallets, we don't have anything. >> i heard paul get slapped and shoved. >> matt looked over and got pistol-whipped a couple of times. >> the two guys say their experience shows how vulnerable the homeless are. they also say they still plan to follow through with their experiment to be homeless for a week. >>> an extremely powerful earthquake hit coast of chile overnight, truck while most were in bed asleep. details just beginning to roll in. >>> the northeast is trying to dig itself out from a massive winter storm, and this one is a record-breaker for some areas. >>> just days after 12,000-pound orca killed a trainer at sea world, crowds will get to see the killer whales perform a