President Obama's chief counterterrorism adviser, John Brennan, speaks with the Associated Press during an interview in the Roosevelt Room at the White House in Washington, Wednesday, Aug. 31, 2011. (AP Photo/J. Scott Applewhite)

Photo by: J. Scott Applewhite

President Obama's chief counterterrorism adviser, John Brennan, speaks with the Associated Press during an interview in the Roosevelt Room at the White House in Washington, Wednesday, Aug. 31, 2011. (AP Photo/J. Scott Applewhite)