Columbia subject headings:
Electronic surveillance--Government policy.
Electronic surveillance--Law and legislation.
Freedom of expression.
Freedom of the press.
Government and the press.
National security--Law and legislation.
Press and politics.
Terrorism--Prevention--Law and legislation.
Harvard subject headings:
National security
Transparency in government.
War on Terrorism, 2001-2009, in mass media.
Princeton subject headings:
National security.
Transparency in government.
War on Terrorism, 2001-2009, in mass media.