Let the People Rule tells the exhilarating story of the four-month campaign that changed American politics forever. In 1912 Theodore Roosevelt came out of retirement to challenge his close friend and handpicked successor, William Howard Taft, for the Republican Party nomination. To overcome the power of the incumbent, TR seized on the idea of presidential primaries, telling bosses everywhere to "Let the People Rule." The cheers and jeers of rowdy supporters and detractors echo from Geoffrey Cowan's pages as he explores TR's fight-to-the-finish battle to win popular support. After...