WITNEY, ENGLAND - MAY 07: Ballot papers are counted in the constituency of Conservative Party leader David Cameron on May 7, 2010 in Witney, England. After 5 weeks of campaigning, including the first ever live televised Leader's Debates, opinion polls suggest that the UK is facing the prospect of a hung parliament for the first time since 1974.  (Photo by Peter Macdiarmid/Getty Images)