Washington (CNN) – U.S. officials have "specific, credible but unconfirmed" information about a potential al Qaeda threat against the United States coinciding with the 10th anniversary of the September 11 terrorist attacks. "We have received credible information very recently about a possible plot directed at the homeland that seems to be focused on New York … Continue reading NYPD Commissioner Kelly: 'Terrorism is a theater and this is the world’s biggest stage’