Former President of the Soviet Union Mikahil Gorbachev (L) and former French foreign minister Roland Dumas (R) attend a symposium on security in Europe 25 years after the fall of the "Wall" in Berlin on November 8, 2014. Former Soviet leader Mikhail Gorbachev warned in Germany on November 7, 2014 of new East-West tensions sparked by the Ukraine crisis, speaking ahead of ceremonies commemorating the fall of the Berlin Wall. AFP PHOTO / ODD ANDERSEN