When war broke out in Europe in 1914, political leaders in the United States were swayed by popular opinion to remain neutral; yet less than three years later, the nation declared war on Germany. In Nothing Less Than War: A New History of America's Entry into World War I, Justus D. Doenecke examines the clash of opinions over the war during this transformative period and offers a fresh perspective on America's decision to enter World War I. Doenecke...