DEBATING EMPIRE: DISCOURSES OF LIBERTY AND EXCEPTIONALISM IN PROGRESSIVE ERA AMERICA. Michael Patrick Cullinane. Liberty and American Anti-Imperialism, 1898–1909. New York: Palgrave Macmillan, 2012, x + 246 pp. $105.00 (cloth), ISBN 978-1137002563. Fabian Hilfrich. Debating American Exceptionalism. Empire and Democracy in the Wake of the Spanish-American War. New York: Palgrave Macmillan, 2012, xii + 278 pp. $100.00 (cloth), ISBN 978-0230392892.