From the archive:
Former U.S. Ambassador to the USSR & Russia Jack Matlock with Sophie Shevardnadze on April 4, 2014: discuss Ukraine, NATO expansion and pressure in the 1990s from the Poles, Czechs, and Hungarians to join NATO (see especially minutes 17:30 and following), the example of Finnish neutrality living free in the shadow of Russia, and more.
https://www.rt.com/shows/sophieco/us-russia-embarging-chill-273/
April 4, 2014 (26 minutes: including the commercial break between minutes 11:20 and 14:15)