In the early 1980s almost nobody from the United States traveled to the Soviet Union or vice versa. The Soviets wouldn’t let anybody out, and good Americans were disinclined to visit the Evil Empire. But a woman in California named Sharon Tennison took the threat of nuclear war with the seriousness it deserved and still deserves. She got a group of friends together and asked the Russian consulate for permission to visit Russia, make friends, and learn.