GREAT BOOKHAM, UNITED KINGDOM - APRIL 27:  A Liberal Democrat election poster is displayed on April 27, 2010 in Great Bookham, England. The General Election, to be held on May 6, 2010, is set to be one of the most closely fought political contests in recent times with all main party leaders embarking on a four week campaign to win the votes of the United Kingdom electorate.  (Photo by Peter Macdiarmid/Getty Images)