While late President John F. Kennedy's affairs, including his fling with Marilyn Monroe, have long been common knowledge, a new book, Passion on the Potomac, has blown the lid off poised First Lady ...

Did John F. Kennedy have an affair with Marilyn Monroe — and how much did Jackie know? A new book breaks it down JFK has long been rumored to have had an affair with actress Marilyn Monroe A new book, ...