SHEFFIELD, ENGLAND - MAY 08:  (EDITORS NOTE: Retransmission with alternate crop.) Liberal Democrat leader and Deputy Prime Minister Nick Clegg looks dejected as they leave his constituency declaration at the English Institute of Sport on May 8, 2015 in Sheffield, England. The United Kingdom has gone to the polls to vote for a new government in one of the most closely fought General Elections in recent history.  (Photo by Dave Thompson/Getty Images)