"From protecting our natural environment to improving our children's education to combating global poverty and disease, we've come to rely on extreme do-gooders to tackle the world's toughest problems. Few of them will make as much as they could in the private sector. They may lose a relationship with a loved one to their work, or miss their kids' big moments. All of which raises the obvious: Why? What makes these people tick, and how do they sustain a lifetime of commitment to a change that might take generations to see?" This Christian Science Monitor article delves deeper into these intriguing questions.
