Al Gore is conducting a campaign via e-postcards of a kind -- sent to members of Congress -- on global warming:

http://www.algore.com/index-splash.html

The right wing already is preparing to beat back the Big Guy ... they brought out the RW swiftboaters with their usual lies. Usually, I'd be cynical about ANY group, but since the swiftboaters have proven themselves capable of lying about anything for the right wing, I'm happy to offer the following refutation without reservation:

http://www.huffingtonpost.com/dave-johnson-and-james-boyce/a-far-too-convenient-mea_b_42171.html
http://thinkprogress.org/2007/02/26/gore-responds-to-drudge