Yelena Bonner, wife of Soviet dissident Andrei Sakharov, waves goodbye as she passes an American flag at Boston’s Logan Airport on May 24, 1986. Bonner left the United States for Europe on May 24, 1986, after six months of medical treatment in the west. She will return to internal exile with her husband in the closed Soviet city of Gorky after meeting with French and British leaders in Europe over the next few days. (UPI Photo/Jim Bourg/Files)