Joseph Weisberg makes some interesting points about spies and the fallibility of intelligence.
What I find fascinating is the responses. Go to the comments section to see how the "reality based" community responds to the revelations that the agents your recruit may not be telling the truth, and that you don't know whether they are or not.
Joseph Weisberg worked in the CIA's Directorate of Operations from 1990 to 1994. Those were the Clinton years.