US President Obama Visits Berlin
BERLIN, GERMANY - JUNE 18: U.S. President Barak Obama departes Air Force One at Airport Tegel with his daughter Sasha (L), wife Michelle Obama (L) and daughter Malia (R) on June 18, 2013 in Berlin, Germany. Obama is set to speak on the east side of the Brandenburg Gate, 50 years after John F. Kennedy famously declared his solidarity with the citizens of Berlin. (Photo by Raphael Huenerfauth/Photothek via Getty Images) *** Local Caption *** Barack Obama; Michelle Obama; Sasha Obama; Malia Obama

US President Obama Visits Berlin
BERLIN, GERMANY - JUNE 18: U.S. President Barak Obama departes Air Force One at Airport Tegel with his wife Michelle Obama (C) and daughter Sasha (L) on June 18, 2013 in Berlin, Germany. Obama is set to speak on the east side of the Brandenburg Gate, 50 years after John F. Kennedy famously declared his solidarity with the citizens of Berlin. (Photo by Raphael Huenerfauth/Photothek via Getty Images) *** Local Caption *** Barack Obama; Michelle Obama; Sasha Obama

US President Obama Visits Berlin
BERLIN, GERMANY - JUNE 18: A bodyguard standing at the door of -The Beast- the limousine of U.S. President Obama on June 18, 2013 in Berlin, Germany. Obama is set to speak on the east side of the Brandenburg Gate, 50 years after John F. Kennedy famously declared his solidarity with the citizens of Berlin. (Photo by Raphael Huenerfauth/Photothek via Getty Images)