McCain Gets 'Abba' Timeline Wrong

McCain says he loved Abba's "Dancing Queen" before he was shot down in Vietnam. The problem is "Dancing Queen" came out 2 years after McCain's release from Vietnam. Eerily reminiscent of John McCain's "misstatement" of him naming the names of the Steelers' defensive line as his squadron mates. He had written in his book that it was the names of the Green Bay line that he had used. Is John McCain deliberately exploiting his POW story and embellishing the facts? Or does he have a problem with his memory?