Imagine if Robert E. Lee had withdrawn to higher ground at Gettysburg instead of sending Pickett uphill against the entrenched Union line. Or if Napol on, at Waterloo, had avoided mistakes he'd never made before. The advice that would have changed these crucial battles was written down centuries before Christ was born--but unfortunately for Lee, Napol on, and Hitler, Sun Tzu's The Art of War only became widely available in the West in the mid-twentieth...