JUNE 8--A Florida busboy who found singer Jimmy Buffett's cell phone--and then proceeded to keep it for a week--told cops that his buddies may have crank-called former President Bill Clinton, whose number was stored in the phone's directory. According to the below Lake Worth Police Department report, Jason Martin, 22, found Buffett's phone outside a Cuban jazz club where the singer partied in late May. According to an amusing story in today's Palm Beach Post, Martin and his cronies scrolled through the phone's address book (while they were "smoking weed") and marveled at the high caliber of Buffett's address book, which included ex-presidents Clinton and Jimmy Carter, Al Gore, Bill Gates, Harrison Ford, George Clooney, and musicians from rapper Cam'ron to country singer Alan Jackson. After rejecting Buffett entreaties (and a $200 reward) for the phone's return, Martin finally surrendered the item after cops and Secret Service agents showed up at his home Saturday. As a reward for his telephone intransigence, Martin, who is pictured at right in a mug shot from a 2002 arrest, was fired from his job at the Cuban joint. (3 pages)