For me it has to be Obama.......he's everything that Bush isn't (human, coherant, black, intelligent, etc)
Hopefully if he can get America to stop doing stupid things then America's lapdog (yeah, that's the UK) will start to follow suit and stop doing stupid things (like pointlessly sending our soldiers to die in other countries when our own countries are fucked up enough and need sorting!)
Palin is kinda hot tho