Britain's Prime Minister and leader of the Conservative Party David Cameron (L) and his wife Samantha pose for pictures as they arrive back at 10 Downing Street in London on May 8, 2015, after visiting Queen Elizabeth II, a day after the British general election. British Prime Minister David Cameron's Conservative party on Friday won a majority in the House of Commons in the general election, results showed.  AFP PHOTO / LEON NEAL / AFP PHOTO        (Photo credit should read JUSTIN TALLIS,PAUL ELLIS,LEON NEAL,ADRIAN DENNIS/AFP/Getty Images)