Beer Crinton in Moscow.
Kerry in Paris [sung to the tune of "April in Paris"].
Strobe Talbott fed the Khruschev memoir by his KGB "uncle".
Per David A. Wise, The Bureau and the Mole, [Hanssen] these measures (described in John Barron, KGB Today: The Hidden Hand), were still conducted up until the Chapter 11 reorganization of the Soviet Union.
Today the work is pursued by Soros, ANSWER, Tides, and the various Muppets for Socialism front groups.