LONDON, ENGLAND - FEBRUARY 27: British Prime Minister David Cameron (2nd R), Deputy Prime Minister Nick Clegg (C) and Leader of the Labour party, Ed Miliband (2nd L), prepare to listen to German Chancellor Angela Merkel address both Houses of Parliament in the Royal Gallery of the Palace of Westminster on February 27, 2014 in London, England. During her one-day visit to the UK, Mrs Merkel will hold meetings with the leaders of the three main political parties as well as having tea with Her Majesty Queen Elizabeth II in Buckingham Palace. (Photo by Oli Scarff - WPA Pool/Getty Images)
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