In Hong Kong, where he's the veteran of 65 movies, Tony Leung Chiu Wai can't go anywhere without asking for trouble. Paparazzi stalk him at home and trail him in cars. Whenever he dines out, restaurant personnel report his whereabouts to tabloids and collect hefty kickbacks. "You are under surveillance all the time, 24 hours," Leung says. Edward Guthmann speaks with the Hong Kong actor in the San Francisco Chronicle.