::!:::: I -­ • 2 of telegram to Amembassy, MOSCOW, PRAGUE , SECRE't' Classification .important member of Warsaw Pact, but Soviets knew how to say no to Ulbricht. When Ambassador Thompson speculated on role of Czech press in effecting the Soviet reaction, Dobrynin acknowledged this was ·~a factor. 3. Dobrynin attempted to justify Soviet move largely on basis of internal developments in Czechoslovakia. Secretary said we had