Christopher Corbett, professor of the practice of English, recently reviewed a new book for The Wall Street Journal about Red Cloud, a Sioux war chief who defeated the U.S. Army and negotiated unprecedented concessions from the government. In “The Heart of Everything That Is: The Untold Story of Red Cloud, An American Legend,” authors Bob Drury and Tom Clavin tell the story of the powerful and successful Indian warrior. “The great Sioux war chief, a military genius of the Indian wars, is a largely forgotten figure in the shape-shifting history of the American West,” Corbett wrote. “In his day, he presided over …