1.   He will also prepare the airport to replace its passenger screeners with federal employees, as required by legislation passed by Congress last fall.

2.   The deal would remove the airlines from the task of hiring baggage and passenger screeners and other airport-security personnel.

3.   The president stopped short of answering the call on Capitol Hill for a complete federalization of airport checkpoints, including the creation of a federal force of passenger screeners.

4.   Some airports reported that passenger screeners had already started checking shoes at random.