Britain's Queen Elizabeth II (2nd R) and [Getty Images]

Britain's Queen Elizabeth II (2nd R) and Prince Philip bid farewell to Mexican President Felipe Calderon and his wife Margarita Zavala (not pictured) at Buckingham Palace in London after a four day State visit, on April 2, 2009. AFP PHOTO/IAN KINGTON/WPA POOL (Photo credit should read IAN KINGTON/AFP/Getty Images)

AFP IAN KINGTON