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%
Mikhail Gorbachev elimination of intermediate-range nuclear weapons in Europe and his strategy for eliminating all of the Soviet nuclear arsenal by the year 2000 (often referred to as the 'January Proposal'). He also began the process of withdrawing troops from Afghanistan and Mongolia on 28 July. Nonetheless, many observers, such as Jack F. Matlock, Jr. (despite generally praising Gorbachev as well as Reagan), have criticized Gorbachev for taking too long to achieve withdrawal from the Afghanistan War, citing it as an example of lingering elements of "old thinking" in Gorbachev. On 11 October 1986, Gorbachev and Reagan met at Höfði house in