From that list :- 50s - none involving America. 60s - 5. 70s - 14 (3 of which, as far as I can tell with any fatalities). However, I'm not really arguing agai

From that list :- 50s - none involving America. 60s - 5. 70s - 14 (3 of which, as far as I can tell with any fatalities). However, I'm not really arguing against zero security at airports. What I'm arguing against is the ludicrous increase in security procedures since 9/11. >It is currently difficult to execute. It won't be if we had no security It's not difficult to execute bombings on trains, and they are hugely impactful when it happens. Yet they rarely happen. You seem to be ignoring this.