“‘We’ve been having individuals from Arab militaries studying and working here for decades — not just from Saudi Arabia but from across the Arab world,’ said Nicholas Rasmussen, a former intelligence official who directed the National Counterterrorism Center. ‘When something like this happens you have to go back and look at whatever vetting procedures you have and check carefully to make sure that you are doing everything you can to get a full picture of those entering the United States for this purpose. But it doesn’t invalidate the utility of the actual programs…’”