For better and for worse, globalization -- all the various processes by which ideas, information, people, money, goods, and services now cross international borders at unprecedented speed -- has been the primary geopolitical and economic trend of the past several decades. But the financial crisis and its aftermath have proven that no one has forgotten how walls are built, and this moment is in many ways more dangerous for the global economy's future than anything we experienced during the Cold War, threats of nuclear war notwithstanding. Tovább»