US president Obama sings a few lines of Al Green

What the Republican challengers would sing? Mitt Romney - King of Bain by The Police. Newt Gingrinch - Let My Love Open [Marriage] the Door. Ron Paul - The Man Who Would Be King by the Libertines. And Papa Don't Preach for Rick Santorum.

Vote George W Bush or wolves will eat your family

Went on holiday to the Florida Keys in October 2004, just before the US Presidential election. TV was swamped with attack ads, but this was my favourite for its bizarre subtext [see above].

Attack ads from the US Republican Primaries January 2012

These make party political broadcasts look pretty tame.