The economics editor of the Sunday Times provides a brilliant, clear-headed analysis of the global shift in economic power-and asks, what will a resurgent Asia mean for North America and Europe? Two thousand years ago, China and India had a 59 percent share of the world economy. They then fell spectacularly from grace. But by 2050, the world will be theirs again. What will that mean for the West? The rise of China and India raises fundamental questions...