In the rules under the Patriot Act for entry into the US only one group is mentioned for exclusion - the Palestine Liberation Organization. From the State Dept. web site comes this: An alien who is an officer, official, representative, or spokesman of the Palestine Liberation Organization is considered, for purposes of this Act, to be engaged in a terrorist activity. One can only think that Chuck Hagel was absolutely correct when he said that Israel controls the State Department.
Palestinian youths throw stones at security forces in Shoafat, E. Jerusalem; none injured (Haaretz)