Bruce B. G. Clarke senior military officer in arms control negotiations with the Soviet Union. After his first year at the State Department he was selected for brigade command but the busy pace of Soviet-American negotiations caused his assignment to be extended one year beyond the normal two-year posting. In his three years at the State Department, he regularly shuttled between negotiations in Washington and Geneva. This period include three summit meetings between President Ronald Reagan and Soviet premier Mikhail Gorbachev: the November 1985 Geneva Summit, the October 1986 Reykjavík Summit and the December 1987 Washington summit where the Intermediate-Range Nuclear Forces Treaty was
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