Personally, I would have closed down both borders after 9/11, even with troops if need be. More than 50,000 Muslims in Virginia turned out to vote for Webb. Allen lost by 9,000 votes.
Who knows if they were screened. The INS has their own system and who knows what politics motivate it. Had I been President Bush, I would have gotten conservatives to run it.
He'll be leaving quite a legacy.