Preparing for Possible Attack Law enforcement agencies across the country take precautions for a possible terrorism attack. In Washington, D.C., residents are urged to store food and water. In San Francisco, California Highway Patrol officers step up security on the Golden Gate Bridge. Lisa Nurnberger of member station WAMU and NPR's John McChesney report.

Nation Urged to Prepare for Possible Terror Attack

Law enforcement agencies across the country take precautions for a possible terrorism attack. In Washington, D.C., residents are urged to store food and water. In San Francisco, California Highway Patrol officers step up security on the Golden Gate Bridge. Lisa Nurnberger of member station WAMU and NPR's John McChesney report.