Originally Posted by catocony
Ok, I forget - why is 4 oz good and 5 oz bad? Other than an arbitrary line - probably Chertoff looked in his briefcase and saw a 4-oz bottle of nose spray or something and said "that looks like a good amount" - is there a particular reason?
Do you really think there is any logic to what the TSA dictates? I think your explanation is probably as good as any other.
