Down, sharply. That’s where the U.S. economic outlook and Kansas City’s riverboat gambling market headed in September. Local boats’ [[USD]] 54.5 million month was their smallest haul since early 2005. With a nationwide credit meltdown triggering layoffs and Wall Street panic, American consumers, including gamblers, are tightening their belts. “I can’t think of a time in my responsible adult life that I’ve seen economic conditions look more frightening than they look now,” said Tom Cook...