HONOLULU -- The acting director of the White House Travel Office was robbed and beaten in Waikiki early on Tuesday morning outside a nightclub, according to Honolulu police. Three men mugged Greg Pitts at about 2 a.m. while he was walking through the International Marketplace near Bobby G's Dance Club, police said. Pitts accompanied President George W. Bush on a brief visit to Hawaii. The stop came after an eight-day trip to Asia.