Well, then again, this isn't W&C "kiddie land", so maybe I can post something of import (to me anyway), without getting pacifiers tossed in my general direction...
As a knife enthusiast DOD field engineer I fly alot...with my wife living 500 miles away, I fly even more...5 flights in the last 3 weeks...
(For those W&C whiners that get upset because I don't get "right back to ya", I'm not here...I'm there, there being anywhere but here...)
I carry Spyderco's mostly, some Endura's, some Delica's....some fully serrated, some 50/50...and lots of little stuff, LST's, non-serrated stuff, folders mostly...
If I try to carry "it" through, I inveribly get stopped...and then the security guards do all kinds of weird "stuff" trying to determine if it's "legit"...measuring the blade length with their fingers and silly stuff like that...all very abitrary, and the ok seems to be given on a whim.
Sometimes I bluff with a "No, it's ok", and show my company badge with a comment that it's "issue", and "we all have them"...and away I go...
When I'm told it's not ok, I walk away it, go have a smoke, and try another "checkpoint"...or drop it in my carry-on bag and try again at the next checkpoint...it never fails, I always get through, and these knives are sharp, sharp, sharp!
Or, I just put it in the bag, or in the bag with my tools...and away I go...
It's all very arbitrary indeed.
Some airlines have been tougher than others....the South has proven rather "funky"
As far as a terrorist on board....people are sheep for the most part, I'm a half asleep sheep myself most of the time...the only time I really "freak-out" in my life is when I'm threatened with bodily harm, and then I do very inappropriate things like hurt people...
My response comes from being abused by a mentally ill relative over the course of many years when I was young...it's more of a panic response than anything else...I just wish others on the planes today would have had the same response today that I would have had...
Small children with knives to their throats...or a bomb? I'm sorry folks, but I'd be the guy leading the way to Valhalla...
I've got to agree with Ryan here, if you want to take it on, you can...at least, you could've, prior to today...