BERLIN - NOVEMBER 09:  Former Soviet leader Mikhail Gorbachev attends celebrations at the Brandenburg Gate on the 20th anniversary of the fall of the Berlin Wall on November 9, 2009 in Berlin, Germany. The city of Berlin is celebrating the occasion at the Brandenburg Gate attended by European Union and former Allied leaders. Getty Images logo Getty Images 3 weeks ago

BERLIN - NOVEMBER 09: Former Soviet leader Mikhail Gorbachev attends celebrations at the Brandenburg Gate on the 20th anniversary of the fall of the Berlin Wall on November 9, 2009 in Berlin, Germany. The city of Berlin is celebrating the occasion at the Brandenburg Gate attended by European Union and former Allied leaders.