MOSCOW--Mikhail Gorbachev, who set out to revitalize the Soviet Union but ended up unleashing forces that led to the collapse of communism, the breakup of the state and the end of the Cold War ...

When Mikhail Gorbachev turned 91 years old on March 2, Russia was in the early stages of its invasion of Ukraine. The escalation of the Ukrainian crisis into a war, about 30 years after the end of ...