RT Talks held in the final days of the USSR have shaped President Vladimir Putin’s views on the current European crisis After weeks of talks between Russian and Western diplomats over Moscow’s proposed security guarantees, designed to limit NATO expansion and reduce tension in Europe, documents leaked to Spanish newspaper El Pais have revealed the bloc’s long-awaited response. Amid an ongoing standoff over Ukraine, representatives from Washington and NATO have proposed several measures for de-escalation, including increased transparency about each side’s military plans. The core of the letter, however, was…