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 over his domestic reforms, Gorbachev was largely hailed in the West for his 'New Thinking' doctrine in foreign affairs. During his tenure, he sought to improve relations and trade with the West by reducing Cold War tensions. He established close relationships with several Western leaders, such as West German Chancellor Helmut Kohl, U.S. President Ronald Reagan, and British Prime Minister Margaret Thatcher, who famously remarked, "I like Mr. Gorbachev; we can do business together". Gorbachev understood the link between achieving international détente and domestic reform and thus began extending "New Thinking" abroad immediately. On 8 April 1985, he announced the