If you're a bowling fan, Aug. 18-31, 2013 would be a great time for a vacation in Las Vegas. Those are the tentative dates for the 2013 World Tenpin Bowling Association World Championships at Sunset Station's Strike Zone Bowling Center in Henderson, Nev., the United States Bowling Congress announced. The 72-lane center will enable men and women to compete at the same time and site for the first time...