When Muhammad Yunus returned to his native Bangladesh 25 years ago with an American doctorate in economics, he set out to try and combat the entrenched poverty there. By 1995, his Grameen Bank had made loans totaling $500 million to two million borrowers, mostly women. In spite of the fact that these borrowers were the poorest of the poor, Grameen has had a near-perfect repayment rate. (read review)