Will we ever be able to live without fear of terrorism?

So since 9/11 all Americans have been on there toes watching for terrorist threats, but how long will this go on? Last night there was a car parked on time square that was loaded with explosives and if not for the faulty bomb this could have been detrimental. When will we ever if at all be able to relax and not have to worry about every suspicious car parked somewhere or be able to fly without worries! Let me know what you think and how you feel….