NEW YORK, NY - SEPTEMBER 08: New York Mayor Michael Bloomberg enters a news conference to discuss a new terrorist threat on September 8, 2011 in New York City. U.S. officials announced Thursday ... more 
NEW YORK, NY - SEPTEMBER 08: New York Mayor Michael Bloomberg enters a news conference to discuss a new terrorist threat on September 8, 2011 in New York City. U.S. officials announced Thursday evening that they have "specific, credible but unconfirmed" information about a potential threat against the United States in the New York and Washington, D.C. area. This threat would be coinciding with the 10th anniversary of the September 11 terrorist attacks. (Photo by Spencer Platt/Getty Images) less 
1 / 27
Getty Images | Photo By Spencer Platt / Getty Images
Thu, Sep 8, 2011 10:30 PM EDT