1.   But at least Congress was alarmed into action on the checkpoint screeners.

2.   Checkpoint screeners miss weapons that undercover testers hide under their clothes, or they notice them but do nothing.

3.   The ludicrous nature of the resistance was symbolized by Carter Bibbey, the Logan manager for Globe Aviation Services, another private firm that hires checkpoint screeners.

4.   Federal security agents ordered the temporary evacuation of part of a terminal at John F. Kennedy International Airport after checkpoint screeners failed to properly search travelers, officials said.