BRISTOL, ENGLAND - APRIL 22:  David Cameron (L) of the Conservative Party speaks and Nick Clegg (C) of the Liberal Democrats Party and Gordon Brown (R) of the Labour Party listen during the live second televised election debate on April 15, 2010 in Bristol, United Kingdom. Britain for the first time is televising three political debates live, reminiscent of the U.S. style of debates. The second of the three planned election debates, focuses on global affairs, airing live on Sky News from 20:00 BST. (Photo by Stefan Rousseau-Pool/Getty Images)