Reykjavík Summit continued, and U.S.–Soviet relations – already strained by the failure of the Geneva Summit the previous year – were further strained by the Daniloff–Zakharov espionage affair. At Reykjavík, Reagan sought to include discussion of human rights, emigration of Soviet Jews and dissidents, and the Soviet invasion of Afghanistan. Gorbachev sought to limit the talks solely to arms control. The Soviets acceded to the "double-zero" proposal for eliminating INF weapons from Europe, as initially proposed by President Reagan in November 1981 (INF denoting "Intermediate-Range Nuclear Forces" as distinct from ICBMs, or intercontinental ballistic missiles). The Soviets also proposed to eliminate 50%
Jack F. Matlock Jr. Reagan rejected the proposals. Gorbachev began a period of internal economic restructuring, known as perestroika, and agreed to a series of summits with the American president. Matlock was instrumental in preparing Reagan for his first summit with Gorbachev, arranging for specialists within the government to write a "Soviet Union 101" course of 21 papers on Russia for Reagan to study. Matlock also participated in a mock summit, playing the role of Gorbachev, allowing Reagan to practice the encounter in advance. Speaking at a Chautauqua conference in Jūrmala, Latvia in June 1986, Matlock told the crowd that the United States did