U.S. Tracks "Credible" Threat To NYC, D.C. (VIDEO)

Source: AP / CBS News Washington – Just days before the 10th anniversary of the Sept. 11 attacks, U.S. counterterrorism officials were chasing a credible but unconfirmed al Qaeda threat to use a car bomb on bridges or tunnels in New York City or Washington. It was the first "active plot" timed to coincide with the somber commemoration of the terror group's 9/11 attacks a decade ago that killed nearly 3,000 people. Counterterrorism officials were investigating the threat throughout the [...]