Japanese Admiral Isoroku Yamamoto smashed the American fleet at Pearl Harbor on Dec. 7, 1941, yet the man who first conceived of the Pacific war -- Japan's surprise attack, the seizure of the Philippines and Guam, and the American island-hopping campaign -- was a British naval correspondent, Hector C. Bywater. He wrote a series of brilliant books and articles in the 1920s and 1930s that prophetically outlined naval strategies that would read like...