"Seif says it was an accident which he didn't realize until he arrived at his destination. He says he carries the glock for protection but forgot to remove it from his bag. He reported the incident as soon as he landed, shocked at the security lapse. [...] A person briefed on the latest tests tells ABC News the failure rate approaches 70 percent at some major airports. Two weeks ago, TSA's new director said every test gun, bomb part or knife got past screeners at some airports." - Simon