Mikhail Gorbachev, who steered Soviet breakup, dead at 91

FILE - Soviet leader Mikhail Gorbachev, left, and Britain's Prime Minister Margaret Thatcher pose for a picture in London, Saturday, Dec. 15, 1984. 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/Gerald Penny, File)