CNN Situation Room With Wolf Blitzer November 9, 2015 23:07:00
Their aviation security officials working on their behalf are continually evaluating threats, potential threats and that we make adjustments all the time. >> reporter: as the department of homeland security intensifies the focus on overseas airports, john catco, chairman on transportation security says not enough is known about the close to 1 million airport workers with secure access at airports here in the u.s. >> we don't know enough about them and it's troubling that some don't have the basic buy graphic l data on employees. that needs to change. >> reporter: in june a department of homela...
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