In Case You Missed It: Baltimore Marathon Photos

John Brennan

DefenseJohn BrennanNational Security
Deputy national security advisor John Brennan, with David Gregory on "Meet the Press," said there was "no smoking gun" of intelligence gathered by American officials that would have directly suggested that the Flight 253 attack, allegedly carried out by Umar Farouk Abdulmutallab, was imminent. William B. Plowman / NBC News
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