Britain's finance minister, Alsitair Darling (R), and business secretary, Peter Mandelson, confer during a news conference at the Labour Party headquarters in London April 1, 2010. Three senior Labour figures mounted a counter-attack at a press conference during which they accused the Conservatives of making promises they would not be able to afford if elected. REUTERS/Andrew Winning (BRITAIN - Tags: POLITICS PROFILE ELECTIONS BUSINESS)