Divestment gains at some colleges, but can it spread where oil rules?

Image:  Fossil fuel divestment advocates at wealthy colleges have had many cases to celebrate in recent years. Yale University announced this month that its Board of Trustees approved a set of ethical investing guidelines for the university’s multibillion-dollar endowment. Rutgers University announced in March that it would divest from fossil fuels, following in the footsteps of institutions including American University, Brown University, Columbia University, Georgetown University,...