Former United States secretary of state Henry Kissinger (L) speaks with former president of the Soviet Union Mikhail Gorbachev at the 'Museum of the Glienicker Bridge' housed in the 19th century Schoeningen villa in Potsdam and opened by German Chancellor Angela Merkel on November 8, 2009 as part of the celebrations of the 20th anniversary of the fall of the Berlin Wall on November 9, 2009. Getty Images logo Getty Images 27 months ago

Former United States secretary of state Henry Kissinger (L) speaks with former president of the Soviet Union Mikhail Gorbachev at the 'Museum of the Glienicker Bridge' housed in the 19th century Schoeningen villa in Potsdam and opened by German Chancellor Angela Merkel on November 8, 2009 as part of the celebrations of the 20th anniversary of the fall of the Berlin Wall on November 9, 2009.