David Cameron On The Campaign Trail In London

LONDON - APRIL 09: Britain's Conservative Party leader David Cameron (R) and London Mayor Boris Johnson (L) pose with Chelsea Pensioners during a visit to The Royal Chelsea Hospital founded by King Charles II in 1682, as a home for non-commissioned veterans of the armed forces during an election visit on April 9, 2010 in London, England. The General Election on May 6, 2010 is becoming 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 Kirsty Wigglesworth - WPA Pool/Getty Images)