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.
Russia: U.S. plan to provide air cover for Syrian rebels undermines Damascus fight on ISIS (Reuters)