Homeland Security Secretary Ridge speaks at Washington news conference

Unrest, Conflicts and WarTerrorismNational SecurityDefenseTom Ridge
Homeland Security Secretary Tom Ridge speaks in Washington on Dec. 21. Ridge announced that the U.S. government had raised the national threat level, saying attacks were possible during the holidays and that threat indicators are ``perhaps greater now than at any point'' since Sept. 11, 2001. AP/Lauren Burke
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