PORTLAND, Oregon (AP) -- Rescue teams headed up the flanks of Mount Hood on Monday to search for three climbers reported missing in heavy snow, the Hood River County sheriff's office said. The mother of one of the men said he had called his son on a cell phone to say he was stranded in a snow cave just below the summit of the 11,235-foot peak while his companions went for help. "From the conversation, it left us very concerned for the person's welfare," Hood River County Chief Deputy Jerry Brown said. Snow was falling heavily Monday at Timberline Lodge,...