Gossip Roundup: PETA Aims at Cheney

•Reliable Source: Alito's senior thesis found at Princeton. . .Wolf Blitzerhas lost 15 pounds in two months. (From standing on camera all day, we presume). . .Rep. Cynthia McKinney(D-Ga.) introduces bill to investigate murder ofTupac Shakur. [ WP ]

•Rush & Molloy: New York Times Executive EditorBill Kellerwas reportedly convinced about WMDs after several private meetings withPaul Wolfowitz. . . PETA flack: "When we first heard thatDick Cheneywas hunting pheasants, we thought that it might be a misspelling of 'peasants.' His hunt forOsamafailed, so he's now reduced to hunting small birds." [ NYDN ]

•Lloyd Grove's Lowdown: Negative review ofMaureen Dowd's latest book is set to run in the New York Times on Sunday. WritesKathryn Harrison, "Maureen Dowdcomes across as someone who wants to be liked." [ NYDN ]

•Cindy Adams: Oliver Stoneis moving "gingerly" ahead on his 9/11 film. [ NYP ]

•Page Six: "Which strapping son of a cable TV talk show host has been selling marijuana on the side? The pot-puffing party boy, who's supposedly pursuing an acting career, was overheard offering to sell two young lovelies weed at a recent fashion party." [NYP ]

•Fox 411: Warren Beattyis not interested in running for the governorship of California. [ Fox News ]