AdvertisementFrom Ancient Greece, Lessons On The Risk Of A Modern, Accidental War03:47Download AudioResumeMay 03, 2017Greg MyrefacebookEmailA statue of the Greek writer Thucydides sits outside the Austrian capital in Vienna. More than 2,000 years ago, he noted the friction that led to war between an established power, Sparta, and a rising power, Athens. A new book by Harvard professor Graham Allison makes a comparison with the relationship between the U.S. and China. (Getty Images/iStockphoto)