Have you ever met an Ottoman? Or a Habsburg? Neither have I. Where did they go? Those empires ruled much of Europe, the Middle East and North Africa. Nations are just as likely to unravel after periods of prosperity as after periods of depression. In my just-released The Price of Prosperity, I set out the five factors that unravel countries after they become wealthy. My widely-shared column in MarketWatch has sparked thousands of comments and was widely shared. What are the factors: (1) falling birthrates (2) globalized trade (3) rising debt loads (4) eroding worth ethic (5) challenge of patriotism in a multicultural country. It’s not too late to save the USA, but grandfather clocks click loud and baleful.