AdvertisementIn 1898, Satisfying A National Appetite For War07:47Download AudioResumeApril 27, 2010NPR StafffacebookEmailBefore he became the 26th president, Theodore Roosevelt (center) led the men of the 1st Cavalry Volunteers, known as the "Rough Riders," on San Juan Hill during the Spanish-American War in 1898. (William Dinwiddie/Hulton Archive/Getty Archive)