German Chancellor Angela Merkel (C), former Soviet Union President Mikhail Gorbachev (L) and former Polish President Lech Walesa pose with a historical picture showing Bornholmer Bridge (Bornholmer Bruecke) in Berlin November 9, 2009, during celebrations to mark the 20th anniversary of the fall of the Berlin Wall. Reuters Pictures 2 weeks ago

German Chancellor Angela Merkel (C), former Soviet Union President Mikhail Gorbachev (L) and former Polish President Lech Walesa pose with a historical picture showing Bornholmer Bridge (Bornholmer Bruecke) in Berlin November 9, 2009, during celebrations to mark the 20th anniversary of the fall of the Berlin Wall.