US President Barack Obama waves before giving a speech in front of Berlin's landmark the Brandenburg Gate near the US embassy on June 19, 2013. US President Barack Obama walks in John F. Kennedy's footsteps on his first visit to Berlin as US president, but encounters a more powerful and sceptical Germany in talks on trade and secret surveillance practices. AFP PHOTO / POOL / MICHAEL KAPPELER (Photo credit should read MICHAEL KAPPELER/AFP/Getty Images)
