00690pamaa2200205 4500 0000050048 20121206090000.0 120404 eng 9780205825769 / 0205825761 (pbk) JK276 OCO 2011 O'Connor Essentials of American government : roots and reform Karen O'Connor, Larry J.Sabato and Alixandra B. Yanus. 2011 edtion. New York: Pearson/Longman, 2011. xli, 499p.: ill.; 23cm. AUP United States -- Politics and government Yanus, Alixandra B. Sabato, Larry J. www.pearsonhighered.com