The fourth estate and the Constitution : freedom of the press in America / Lucas A. Powe, Jr. Powe, L. A. Scot. Freedom of the press United States. KF4774 .P69 1991 342.73 20 POW Includes bibliographical references (p. 299-343) and index. Berkeley : University of California Press, c1991. c1991. 1991 Text xii, 357 p. ; eng United States.