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PHILADELPHIA (CBS) – There’s a revelation from the agency assigned to protect airport checkpoints.

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TSA Offering Tips To Make Summer Travel A Breeze 

TSA says there’s been a spike in attacks on its officers, so it has begun compiling a secret watch list of unruly passengers.

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Refresher Course For Air Travelers In Philadelphia On Airline Security 

So far it has less than 50 people.

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New Jersey Congresswoman Bonnie Watson Coleman says she’s concerned about the civil liberty implications of such a list.