TIJUANA, Mexico -Long accused of crimes including murder, Tijuana Mayor-elect Jorge Hank Rhon is one of the most closely watched politicians in Mexico as he prepares to assume his new job Dec. 1. Jorge Hank Rhon remembers the political advice his late father gave him. ''He taught me that if you're committed to a party and it calls on you and needs you, you answer,'' Hank said. Now Hank, who became a millionaire by running a dog track in this city of 1.5 million people on the border with the Unites States, is about to answer that call. On Dec....