FILE – Mikhail Gorbachev, eighth and final leader of the Soviet Union, closes his resignation speech on the table after delivering it on Soviet television in the Kremlin, Moscow, Wednesday, Dec. 25, 1991. It was a momentous event that ended an era 30 years ago – Soviet President Mikhail Gorbachev’s resignation drawing a line under the USSR’s existence. The AP Moscow photo chief, Liu Heung Shing, was the only foreign photographer who captured the final moments of the Soviet Union on Dec. 25, 1991. (AP Photo/Liu Heung Shing, File)