We can do what Israel does, and assign a risk rating to everyone entering the airport: https://www.businessinsider.com/israels-ben-gurion-airport-security-uses

We can do what Israel does, and assign a risk rating to everyone entering the airport: https://www.businessinsider.com/israels-ben-gurion-airport-security-uses-secret-sticker-system-2015-6 https://www.businessinsider.com/israels-ben-gurion-airport-s... However, this system basically automatically applies increased risk to certain nationalities and cultures. Are we willing to trade political correctness for a better security system?