American-Arab Anti-Discrimination Committee; American Civil Liberties Union; American Library Association; Bill of Rights Defense Committee; Center for Financial Privacy and Human Rights; Center for Science and Democracy at the Union of Concerned Scientists; Constitutional Alliance; Defending Dissent Foundation; Demand Progress; Drum Majors for Truth; Freedom of the Press Foundation; Golden Badge; Government Accountability Project; James Madison Project; National Judicial Conduct and Disability Law Project, Inc.; National Whistleblower Center; The Niskanen Center; OpenTheGovernment.org; PEN American Center; Project On Government Oversight (POGO); Public Citizen; R Street Institute(1/6/2016)