Constitutional Law accompanies three casebooks – Constitutional Law, The American Constitution, and Constitutional Rights and Liberties, Ninth Edition – and provides updated material on constitutional law, including new and relevant decisions on the subject. The supplement’s sections provide page references to the corresponding sections in the casebooks. The editorial style follows that of the principal book, and chapter and section titles from the principal books have been reproduced in this supplement to facilitate identification of the material. To keep readers current, the publication contains significant developments that have occurred since the principal books were published.