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exp kelly terror threat dnt_00001301
exp kelly terror threat dnt_00001301

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    Where the U.S. is most vulnerable

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Where the U.S. is most vulnerable

Homeland Security Secretary Janet Napolitano says homegrown terror is a top threat, CNN's Suzanne Kelly reports.

Where the U.S. is most vulnerable

Homeland Security Secretary Janet Napolitano says homegrown terror is a top threat, CNN's Suzanne Kelly reports.