The Erez Industrial Area has been closed to Palestinian workers, as of yesterday - and the Palestinian Authority is to blame. So say senior security officials, after yesterday\'s Palestinian violence and the deaths there of two Arab youths led to the decision. An Israeli official said that between 3,000 and 4,000 Palestinians from Gaza will now be unemployed, \"thanks to riots instigated by the Palestinian Authority. Whenever we attempted to allow Palestinians to work in Israel and prop up their economy, they show us that they won\'t let us...\"