Folly and the fact checkerHow the West Was Lost: Fifty Years of Economic Folly—and the Stark Choices Ahead. By Dambisa Moyo. Farrar, Straus and Giroux; 226 pages; $25. Allen Lane; GBP14.99. Buy from Amazon.com, Amazon.co.ukHERE are two predictions about the world economy. First, the West’s malaise and the rise of emerging economies will yield a mountain of books. Second, few of these are likely to be as bad as “How the West Was Lost”. ...