Labour's Prime Minister Gordon Brown, back right, Conservative leader David Cameron, left, and Liberal Democrat Party leader Nick Clegg, centre, take part in Britain's second televised election debate mediated by Adam Boulton, of Sky TV, right, in Bristol, England, Thursday, April 22, 2010. The debate was broadcast live and could be a game-changer, ahead of the upcoming May 6 General Election, as the political leaders dueled over foreign affairs.(AP Photo / Stefan Rousseau, Pool)