"An important new paper in the Proceedings of the National Academy of Sciences uses statistical data on violent attacks during the Second Intifadah to show that violence breeds violence in Israel and Palestine. It reminds me of Ari Fleischer's boast to a Cincinnati synagogue, during the 2004 campaign, that he had never used the words "cycle of violence" while he was Bush's mouthpiece. No, all the Israeli violence was good violence. Reuters covers the paper here.
Excerpts from the authors' statement-- scroll down to Nancy Kanwisher's interpretation of the data"..