Stalkers are threatening Audioslave front man Chris Cornell’s children, prompting him to install a high-end security system. Diane Sawyer skipped a GMA party, either because she was sick or because she’s leaving the show. General Peter Pace, chairman of the Joint Chiefs, went to see Hairspray. Christie Brinkley makes wake-up calls at Hyatt hotels. Ellen Barkin didn’t want to work when she was married. Quentin Tarantino has a new girlfriend, who sucked his fingers. Barbra Streisand didn’t like her suite at the Carlyle. Neither Robin Williams nor Jon Stewart is running for president. Melinda Gates and Warren Buffett went to a Titanic exhibit in San Francisco. Cheeta, Tarzan’s retired, now-74-year-old chimp sidekick, wouldn’t sit for an interview, drank Diet Coke instead. Candace Bushnell’s Sirius radio show launches today. Hillary Swank went on vacation at Donatella Versace’s house. Diddy bought an eight-foot teddy bear. Bobby Kennedy’s family likes Bobby. Three West 27th Street club owners also have roles in movies. Jimmy Buffet takes vitamins, not Ecstasy.