Homeland Security Secretary Michael Chertoff told an interviewer for BBC radio that he felt a "certain sense of complacency" about terrorism in the United States and warned that, although we have not suffered a major attack since 9/11, we need to stay ever vigilant. Professor Joseph King is also concerned. "People's memories fade...If there are no attacks, people forget. The same with the newspapers...Stories about terrorism in the world are buried on page 10."

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