The leaders of Britain's leading political parties, with Labour party Prime Minister Gordon Brown, centre, Liberal Democrat Party leader Nick Clegg, left, and Conservative leader David Cameron, right, after their second televised election debate broadcast from Bristol, England, Thursday, April 22, 2010. The debate is broadcast live and could be a game-changer for the upcoming General Election on May 6, with candidates dueling over foreign affairs. (AP Photo / Stefan Rousseau, Pool)