Originally Posted by
shipcamein
ID matters because of the No Fly List. Whether or not you have a weapon or bomb - if you're on the list, you can't fly. So you need ID.
Please, do you truly believe that every ID-checking TSA clerk has access to the No Fly list and that they check every name against that list? When was the last time you saw a clerk do that?
The check against the No Fly list is done after a reservation is made.