Take Tennessee, Gore’s home state, which could wind up making the difference. Democratic polling there is somewhat sparse, especially that done after John Edwards’s withdrawal. But Tennessee looks to be a state in which Clinton currently holds a lead—that is, unless a certain favorite son were to endorse her opponent.

Gore has already seen one presidency (his own) slip away over a handful of votes.

Election 2000 Gore lost his homestate
Tennessee cops, media credit Al's defeat in home state to WND investigative series

"I think people began to question Gore's character and integrity here in Tennessee. I think the truth came back to bite Gore in Tennessee, and I find it ironic that, if Florida holds for Bush, it will be Tennessee that was Gore's downfall."

http://www.worldnetdaily.com/news/article.asp?ARTICLE_ID=17728