The population of western Europe is aging steadily, and the region's birthrate is well below the replacement level, but Europe's elderly are exceptionally healthy. That means they could be more productive for longer than their predecessors were. If western European governments learn to tap this potential, healthy aging could become the region's next great economic asset.

Global financial instability has sparked a surge in "monetary nationalism" -- the idea that countries must make and control their own currencies. But globalization and monetary nationalism are a dangerous combination, a cause of financial crises and geopolitical tension. The world needs to abandon unwanted currencies, replacing them with dollars, euros, and multinational currencies as yet unborn.

Although women have made large strides professionally over the last century, politics remains a man's world. Significant barriers stand in the way of more women assuming positions of political leadership -- not least women's own attitudes. If serious efforts are not made to break down these barriers, the world will miss out on the benefits that women can bring to policymaking.