Former Soviet President Mikhail Gorbachev dies at 91

FILE - Soviet President Mikhail Gorbachev waves from the Red Square tribune during a Revolution Day celebration, in Moscow, Soviet Union, Tuesday, Nov. 7, 1989. Russian news agencies are reporting that former Soviet President Mikhail Gorbachev has died at 91. The Tass, RIA Novosti and Interfax news agencies cited the Central Clinical Hospital. (AP Photo/Boris Yurchenko, File)

Mikhail Gorbachev, the leader of the Soviet Union whose attempts to shake up his country’s political and economic system led to the collapse of the Communist superpower and the end of the Cold War, has died, news reports confirm.