 Recently, From the Vault producer Christopher Sprinkle had the chance to speak to University of San Francisco professor Stephen Zunis, the chair of the Peace and Justice Studies program at USF, and also the author of Tinderbox, U.S. Middle East Policy and the Roots of Terrorism, about the history since the 1982 invasion. One of the great ironies of all this was that the PLO at that time had been undergoing a diplomatic offensive. This is when they were first expressing their willingness to recognize Israel