Hollywood is buzzing over "investigator-to-the-stars" private eye Anthony Pellicano, who copped a plea earlier this year after the FBI caught him with a draw full of hand grenades and, in the words of one agent, enough plastique explosive to "take out a 747." But Left Coast celebs may not be the only folks currently losing sleep over Pellicano - especially since news broke late last week that he had the habit of illegally wiretapping the targets of his investigations. Besides causing trouble for headliners like Tom Cruise, Michael Jackson, Kevin Costner and dozens of other stars, Pellicano's tapes could...