The director of TSA's Secure Flight program says the effort is 99% effective in clearing passengers prior to arrival at the airport -- even with 2 million names to screen daily. "You have a lot of different systems that you have to integrate with," says Paul Leyh. "Each one of the airlines has its own system you have to collaborate with." Leyh also says that redress numbers assigned by the TSA have made false positives a "non-issue" for most travelers.
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