Don't forget that after being expelled from Jordan, Arafat relocated to Lebanon where he proceeded to take over the South ("Fatahland"), start a civil war, and pull in Israel with constant attacks across the border. Until Israel kicked them out in 1982, the Palestinians played the disruptive, parasitic role in Lebanon that Hezbollah plays today. In fact, Hezbollah rose to power precisely by filling the void left by the Palestinians in 82.