Tom Petty has told US presidential candidate Michele Bachmann to stop using one of his songs as part of her campaign, insisting he did not give the rightwing politician permission. Within 24 hours of the televised launch of Bachmann's 2012 campaign, Petty's lawyers reportedly pounced on the press-conference soundtrack, which used the song American Girl as exit music.

http://www.guardian.co.uk/music/2011/jun/29/tom-petty-michele-bachmann