FILE - U.S. President Ronald Reagan, left, and Soviet leader Mikhail Gorbachev talk during their walk in Red Square, with St. Basil's Cathedral in the background, in Moscow, Soviet Union, Tuesday, May 31, 1988. 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/Ira Schwartz, File)