Norma Percy the MP John Mackintosh, who recommended her to the Granada Television producer Brian Lapping when he was looking for a researcher for a documentary on the workings of Parliament called "The State of the Nation". Percy produced the Granada series "End of Empire" (1985), which explored the effects of the end of the British Empire in various former colonies, and worked with Lapping on the 1987 drama-documentary "Breakthrough at Reykjavik", a reconstruction of the Reykjavík Summit between Ronald Reagan and Mikhail Gorbachev in 1986. After fifteen years at Granada, Percy joined the newly formed production company Brian Lapping Associates in
Treaty on Conventional Armed Forces in Europe the establishment of an effective verification system. Meanwhile, in December the INF Treaty between the United States and the Soviet Union was signed, effectively allowing mutual inspections. During the May–June 1988 Moscow Summit, US President Ronald Reagan and General Secretary Gorbachev emphasized the importance of stability and security in Europe, specifically calling for data exchange, verification of these data, and then reductions. In December Gorbachev announced at the United Nations a unilateral withdrawal of 50,000 troops from Eastern Europe, and demobilization of 500,000 Soviet troops. In January 1989, NATO and the Warsaw Treaty members produced the Mandate for the Negotiation