Former Sotheby's head Alfred Taubman claims he had no part in the price-fixing scandal that put him in jail in 2002. A cabbie claims Terrence Howard asked a blonde lady friend to engage in a rather disgusting grooming procedure, though Howard's rep denies it was he. Bono took a private tour of Harvard, perhaps for one of his kids. Tina Brown and Harold Evans threw a dinner party for Helen Mirren. Judith Miller had lunch with Mort Zuckerman. Lindsay Lohan left one club for another because she thought her dad, recently released from prison, was about to show up. More firings may be imminent in CBS' news division. Natalia McLennan, once dubbed the No. 1 call girl in the city by New York Magazine, is back working as a prostitute.