Often dismissed by scholars as an opportunistic politician whose ideas lacked historical import, Theodore Roosevelt has been underestimated as a thinker. But to disdain Roosevelt's politics is to overlook his important and lasting contributions to the shape of modern America, says the author of this compelling new study of the 26th president of the United States. Joshua Hawley examines Roosevelt's political thought more deeply than ever before to arrive at a fully revised understanding of his legacy: Roosevelt galvanized a twenty-year period of national reform that permanently altered...