U.S. State Dep't Press Briefings
Law Library of Congress: In Custodia Legis
The blog of the Law Library of Congress:
U.S. Government - Periodicals
The U.S. Government publishes an enormous number of magazines and newsletters on a wide range of subjects. A list of the publications of individual government departments and agencies can often, but not always, be found on their websites. The University of Louisville Libraries have put together a comprehensive list of government periodicals.