ANCHORAGE, Alaska (AP) — Some Alaska Costco shoppers said they've had their groceries stolen by ravens in the store parking lot. Matt Lewallen said he was packing his groceries into his car in the parking lot of an Anchorage Costco when ravens swooped in to steal a short rib from his cart, the Anchorage Daily News reported Friday. “I literally took 10 steps away and turned around, two ravens came down