I would deny it too. How embarrassing to end up in bed with Al gore. He was probably showing her PowerPoints on Windmills and ice shelves in the bedroom. She was probably so bored she actually forgot that she had the affair.
Al Gore had affair with Larry David’s ex: report; Laurie David, environmentalist producer, denies it
Truth According To Tom 
alternate energy source; running from the goremeister..
seems like whatever happen he still has many followers! ( according to the vote result right by the article)