LONDON - MARCH 5:  Britain's Queen Elizabeth II, center right, and Prince Philip, Duke of Edinburgh, center left, bid farewell to South Africa's President Jacob Zuma (not pictured) on the last day of his state visit to the UK at Buckingham Palace on March 5,  2010 in London, England. President Zuma and his wife are visiting the United Kingdom on a three day state visit.   (Photo by Matt Dunham/WPA Pool/Getty Images)