WASHINGTON (CNN) -- The information that prompted a warning that terrorists might target a major Western bridge has been determined to be "not credible," two federal law enforcement officials tell CNN, and the FBI Tuesday is preparing to say no threat exists. "There just wasn't anything to it," said one official. A second official agreed, and says local law enforcement agencies are about to be notified of that conclusion. [...]

From http://www.cnn.com/2001/US/11/06/inv.bridge.threat/index.html

Snort. What are the chances that the National Guard remains on patrol at the bridges "in the interest of safety"?