Smedley Butler may be the best-known double Medal of Honor recipient and one of the most popular military Generals in U.S. history. Butler served 33 years in the Marine Corps and had a role in the Spanish-American War in Cuba, the Philippine-American War in Manila, the Boxer Rebellion in China, the Banana Wars in the Caribbean, the Mexican Revolution, and World War I. Butler's first Medal of Honor was earned during the Mexican Revolution when the then-major fought block to block in the streets...