here is his book castor's secrets the cia and the intelligence machine. if you could start by giving us your background, particularly your cia background. >> i worked at the national intelligence council in washington for about 45 years. i ultimately became the national intelligence officer for latin america which is a tree or four-star military equivalent but it's a pretty substantial position and i had the responsibility for all of latin america and cuba and the analytical side of intelligence. estimate what does that mean? >> i was not a field operative. i didn't go out and conduct espionage or meet foreign agents. i was basically most of my career at the headquarters in virginia i had the national intelligence estimates, quite a few on cuba over the years, and many of the other latin american countries. >> before we get into fidel