LONDON, ENGLAND - MAY 12:  Prime Minister David Cameron (R) and Deputy Prime Minister Nick Clegg hold their first joint press conference in the Downing Street garden on May 12, 2010 in London, England. On his first full day as Prime Minister, David Cameron has made a series of cabinet appointments including Nick Clegg as Deputy Prime Minister. The Conservatives and Liberal Democrats have now agreed to lead the country with a fully inclusive coalition government.  (Photo by Christopher Furlong - WPA Pool /Getty Images)