MAMMOTH LAKES – The Mammoth Mountain Ski Area, a longtime winter playground for Southern California residents, says it will sell a controlling interest to a private investment firm. The $365 million acquisition will be made by Starwood Capital Groups, led by luxury hotel mogul Barry S. Sternlicht. The move is expected to give the resort an upscale character, unlike the raw, unpolished style developed by founder and co-owner Dave McCoy. The deal will give Starwood 70 percent control and the right to operate 4,000 acres of ski terrain at Mammoth and June mountains and allow for some development. The land...