National Security and Double GovernmentWhy has U. S. security policy scarcely changed from the Bush to the Obama administration? National Security and Double Government offers a disquieting answer. Michael J. Glennon challenges the myth that U. S. security policy is still forged by America's visible, Madisonian institutions the President, Congress, and the courts. Their roles, he argues, have become largely illusory. Presidential control is now nominal, congressional oversight is