HOMELAND SECURITY-ING OUR WAY TO TECHNOLOGICAL BACKWARDNESS
Post 9/11 VISA restrictions, in order to avoid accusations of political incorrectness, are doing a bang-up job of encouraging people in the top tenth of 1 % of the Bell Curve with hard science PhDs to immigrate elsewhere or bypass positions at American universities. This is moronically self-defeating, given the importance of a continual inflow of said applicants to America's R&D edge and adds next to nothing to American security. Unless of course, you believe that A.Q. Khan is flying in next week.CSIS has a White Paper
Blanket VISA procedures are no substitute for a functioning counterintelligence system.