Throughout much of the world, the greatest unexploited economic resource is the female half of the population. Unleashing that process globally is not only the right thing to do; it's also the best strategy for fighting poverty. In their book Half The Sky, Pulitzer Prize winners Nicholas D. Kristof and Sheryl WuDunn lead an odyssey through Africa to Asia and depict our world with anger, sadness, clarity, and, ulimately hope.