CNBC – Whether traveling with tight pockets or loosely tossing around cash, visitors to Las Vegas can find the ultimate playground for adults. From high-end shops and penthouse suites to day clubs and pool parties, they spend tens of billions of dollars in total here a year, with the younger demographic dropping less on casino tables and ponying up more to party in clubs. “I think the younger generation is a little bit more entertainment focused and less focused on gambling than the older generation,” said Stephen P.A. Brown, the director of the Center for Business and Economic Research (CBER)…