Llewellyn Thompson , former US ambassador to Moscow , urged Kennedy to respond to the soft message for the believe that Khrushchev wanted to be able to tell Cuba he stopped an invasion from the U.S. Though Kennedy did not agree at first , he later did .
Llewellyn Thompson , former US ambassador to Moscow , urged Kennedy to respond to the soft message . 
 Knowing Khrushchev personally , Thompson believed that Khrushchev wanted to be able to tell Cuba he stopped an invasion from the U.S. Though Kennedy did not agree at first , he later did .