Vaccines and the Cognitive Conundrum That is Prevention

(Copied from Wikipedia 911 Memorial Page)

In the years prior to 911 congress and the FAA were working on legislation to improve security for commercial airline cockpits. The FAA is a notoriously slow organization and there was much debate on not only fortifying the cockpit doors but to what degree. Pilots and flight crews argued that further fortification would limit the ability for staff to respond to emergencies in the cockpit. For…