Davis has slimmed down, losing some 130 pounds this year, but is now looking to fatten up his portfolio by making a bid for Vivendi's Hollywood assets - though skeptics doubt the "corporate tire kicker" can pull the deal off. Lack of terrorism insurance nixed his plans to buy Manhattan property this year, but he did manage to buy, sell Chicago skyscraper for $10 million profit. Money not an issue: claims new oil and gas discoveries in Texas and Colorado doubled reserves. Best known as dealmaker who bought, sold Twentieth Century Fox, Beverly Hills Hotel. Fourth bid to own an airline grounded by US AirwaysO rejection earlier this year.