LONDON – The first time I thought Muhammad Yunus, founder of the Grameen bank, deserved the Nobel Prize was twenty years ago, and I said as much in a column in the International Herald Tribune. “Away from the intrigue of Dhaka, with its street battles, armed police and brigades of international journalists something quite wonderful is happening in Bangladesh.” It was for me a road to Damascus. Saturated with covering failure in Africa, Brazil and India there I saw for the first time how the poor could almost literally lift themselves up by their own bootstraps. I recall sitting in the shade of a mango tree, not far from the Himalayan foothills, talking to my host, an ultra ebullient Italian, Sergio Apollonio, the information chief of a small Rome-based UN agency, the International Fund for Agricultural Development (IFAD), who had had to twist my arm to persuade me to take...