JUDY WOODRUFF: Are the United States and China heading toward war? It's a theoretical question, but one with its roots in the writings of an ancient Greek historian.

Discover interesting facts about ancient China's rulers, philosophy, and the Great Wall of China.

His books include Plan Red: China’s Project to Destroy America, The Coming Collapse of China, China is Going to War, and The Great U.S.-China Tech War, among others.

Braun, a retired Army colonel and research professor at the U.S. Army War College's Strategic Institute, led a discussion on U.S.-China strategy at the National Press Club here, May 24.