Michael Schuman: Russia’s lackluster economy means Putin simply can’t afford a new Cold War

One of the axioms of global geopolitics is that a country can project power only as far as its economic might allows. There is good reason why the United States, by far the world's largest economy, has been the dominant force in all things political and military for the past 60 years. And we can see China now rising to superpower status on the back of its spectacular economic ascent.