GRAND RAPIDS, MI—According to George Fontana, the Grand Rapids Hilton's Tiki Town bar and lounge is "really hopping tonight," the 46-year-old hotel bartender reported Monday. "Usually, Mondays are pretty slow around here," Fontana said. "But it's been non-stop since about 10. To be honest, I'm not exactly sure why. I'd say it was the dental-supply convention, but most of those fellas are staying over at the Radisson." Fontana added that if the rush keeps up, he may have to unlock the supply closet to get a fresh box of olive picks.