"Unfortunately many of them study abroad and are unwilling to go back to Palestine in order to build a solid society" Two thoughts: 1. I imagine it is a difficult decision to chose to return to an oppressed society and risk death daily when you've experience freedom and a better way of life. Not all people are that selfless. 2. I have read recently that academics as well as aid workers have been denied re-entry to WB if they ever leave for whatever reason.
U.S. to defend Syrian rebels with airpower, including from Assad (Reuters)