 He toured extensively on behalf of presidential candidate John Kerry in 2004, appearing at and playing acoustic sets (with Richie Sambora) at rallies for the Kerry-Edwards ticket throughout the United States.Bon Jovi also played as a part of the Live Earth concert at the Meadowlands in 2007, and was introduced by former Vice President Al Gore.In 2008, Jon Bon Jovi supported Barack Obama for president, holding an exclusive private dinner at his home, as a fundraiser for his campaign.