** FILE ** John Brennan, deputy national security adviser for homeland security and counterterrorism, briefs reporters at the White House in Washington on Friday, Oct. 29, 2010, after President Obama made a statement about suspicious packages found on U.S.-bound planes. (AP Photo/Charles Dharapak)

Photo by: Charles Dharapak

** FILE ** John Brennan, deputy national security adviser for homeland security and counterterrorism, briefs reporters at the White House in Washington on Friday, Oct. 29, 2010, after President Obama made a statement about suspicious packages found on U.S.-bound planes. (AP Photo/Charles Dharapak)