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 for five years. In July 2016, Gorbachev criticized the North Atlantic Treaty Organization amid escalating tensions between the military alliance and the Russian Federation. Gorbachev has accused NATO of preparing for a "hot" war against Russia, saying that "All the rhetoric in Warsaw just yells of a desire almost to declare war on Russia. They only talk about defence, but actually they are preparing for offensive operations." In June 2018, Gorbachev welcomed the 2018 Russia–United States summit between Vladimir Putin and Donald Trump in Helsinki, Finland. In October 2018, Gorbachev criticized President Donald Trump's threat to withdraw from the 1987