The hilariously intrepid young author of War Reporting for Cowards returns from Iraq only to dive head-first into another absurd, terrifying world: the American leisure class. Like Hunter Thompson crossed with one of David Brooks's bobos in paradise, Ayres embeds himself in LA's "liesuretocracy" an over-the-top world of caviar facials, billionaire charity balls, souped-up SUVs, and monster home loans . . . not to mention $1,000-a-night brothels and...