At one o'clock in the afternoon of July 1, 1898, thirty-nine-year-old Colonel Teddy Roosevelt prepared to advance at the head of his Rough Riders during the Cuban phase of the Spanish-American War. A mixture of cowboys and socialites, the Rough Riders were the most colorful regiment in the American V Army Corps. Their immediate target was the central sector of the fortified San Juan Heights. Capturing the blockhouse on San Juan Hill was key to breaching the Spanish defenses on the heights above the city of Santiago de Cuba. Roosevelt and his volunteer cavalry were positioned in the rear of...