Let the terrorists try something then.
Strip searching little old ladies in wheelchairs and confiscating nail clippers does not enhance security. Neither does having some bull-dyke pat down women with underwire bras like they do now.
A few years ago? When was this? I've been flying for many years, and I was never aware that anyone and everyone was allowed to carry weapons onto a plane.
How would the airline determine that the guy carrying the gun or knife is a law-abiding citizen? How would they determine that those who don't qualify as 'law-abiding citizens' (e.g. ex-cons or whatever your definition might be) aren't carrying weapons they are not supposed to have?