Previously secret FBI records released today reveal that Sen. Edward Kennedy may have participated in steamy sex parties with his two brothers, Marilyn Monroe and "Rat Pack" crooners Frank Sinatra and Sammy Davis Jr. A racy memo from 1965 notes that a New York woman reportedly had "considerable information about sex parties" involving the Kennedy brothers John and Robert, Monroe, Sinatra and Davis. While the source of the information is not described fully in the documents, "it was reported" that Jacqueline Hammond, the wealthy ex-wife of a former US ambassador to Spain, knew about the raunchy parties at the upscale...