Obama's Homeland Security Advisor, John Brennan, who had sided with Panetta in the dispute (Brennan later succeeded Panetta as Director of the CIA). When it was discovered that the November 2009 Fort Hood shooting and the attempted bombing of Northwest Airlines Flight 253 a month later could have been prevented with better inter-agency intelligence sharing, Brennan and Panetta allegedly blamed Blair (which, according to Aid, was not justified), resulting in Obama's decision to replace him. References External links DNI Official biography |- 1947 births 20th-century American naval officers 21st-century American naval officers Alumni of Worcester College, Oxford American Rhodes Scholars Living people Military personnel from Alexandria, Virginia People from Kittery, Maine Recipients of the Defense Distinguished Service Medal Recipients of the National Intelligence Distinguished Service Medal Recipients of the Defense Superior Service Medal Recipients of the Legion of Merit United States Naval Academy alumni United States Navy admirals White House Fellows National Bureau of Asian Research United States Directors of National Intelligence