" In Moscow, Soviet premier Nikita Khrushchev, fearing that Kennedy’s popularity would lead to an erosion of support in East Berlin, quickly flew to that divided city to reassert his nation’s claims. He and Kennedy did not meet. In fact, crowds a fraction of the size that greeted Kennedy even noticed that Khrushchev was in town, underscoring JFK’s amazing popularity and sending a clear message that Khrushchev’s power was on the wane. "

― Bill O'Reilly , Killing Kennedy: The End of Camelot (The Killing of Historical Figures)