Are we on the brink of a new Cold War? The question isn’t as outlandish as it seemed only a few years ago. The United States is still the sole reigning superpower, but it is being challenged by the rising power of China, just as ancient Rome was challenged by Carthage, and Britain was challenged by Germany in the years before World War I. Should we therefore think of the United States and China as we once did about the United States and the Soviet Union, two gladiators doomed to an increasingly globalized combat until one side fades?