New York Times: In the 1980s, it was South Africa. In the 1990s, it was tobacco. Now fossil fuels have become the focus of those who would change the world through the power of investing. A student movement has gathered momentum at more than 300 campuses over the last year. Members have encouraged college and university endowments to divest themselves of their holdings of companies in the fossil fuel business to avoid profiting from the release of carbon associated with the risk of global warming. While the efforts...