Cold War to the Kremlin's military and political concessions, Reagan agreed to renew talks on economic issues and the scaling-back of the arms race. The first summit was held in November 1985 in Geneva, Switzerland. At one stage the two men, accompanied only by an interpreter, agreed in principle to reduce each country's nuclear arsenal by 50 percent. A second summit, was held in October 1986, Reykjavík, Iceland. Talks went well until the focus shifted to Reagan's proposed Strategic Defense Initiative, which Gorbachev wanted eliminated. Reagan refused. The negotiations failed, but the third summit in 1987 led to a breakthrough with the
Mikhail Gorbachev major campaign to limit alcohol consumption, which Gorbachev—who believed it would improve health and work efficiency—oversaw. His wife keenly supported the measure. As a result, crime rates fell and life expectancy grew slightly between 1986 and 1987. The reform had significant costs to the Soviet economy, resulting in losses of up to $100 billion between 1985 and 1990. Gorbachev later considered the campaign to have been an error. In April 1986 the Chernobyl disaster occurred; in the immediate aftermath, officials fed Gorbachev incorrect information to downplay the incident. As the scale of the disaster became apparent, 336,000 people were evacuated