Former top intel officials angry over Brennan's revoked clearance

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There is scathing backlash surfacing over John Brennan’s revoked security clearance – all aimed at President Trump. Kristen Welker breaks down the growing number of former top intelligence and defense officials who are blasting the president for stripping the former CIA Director of his clearance and why they are so angry. Weighing in: Politico White House Reporter Nancy Cook, NBC News National Political Reporter Jonathan Allen, and Washington Post White House Reporter Seung Min Kim.