N.Y., D.C. on Alert Amid Possible Threat Timed to 9/11...

Police had already ramped up staffing levels for the 9/11 weekend, but increased them even more after word on Thursday evening of a new terror threat, which counterterrorism officials called "credible" but unconfirmed. Judy Woodruff discusses what's next for the manhunt for two terror suspects with NPR's Dina Temple-Raston.