. >> georgi bolshakov is a russian spy posing as a journalist. jack knows it, and bolshakov knows that it's precisely because he's a russian spy that he's been invited in. >> we thought he was great because, you know, we were watching the james bond films at that time. to meet a real russian spy was, you know, was wonderful. >> the man who so amuses the kennedy kids plays another more important role as bobby's secret back channel to soviet leader nikita khrushchev. >> he thought, if i can communicate directly with somebody through a back channel, that's a way of my ensuring that what my brother wants to get communicated to khrushchev gets to him and that we hear back what he's really thinking without any possibility for other people's agendas to get in the way. >> during bolshakov's visit to the white house, he relays a request from chairman khrushchev to the president. >> bolshakov delivers a message asking kennedy to stop those annoying spy plane flights over soviet freighters going to cuba. in fact, the russians are putting nuclear missiles on