Democratic presidential nominee Hillary Clinton is proposing free tuition at in-state public colleges and universities. But many of these schools already serve a number of wealthy students, and many low-income students of color attend small, private institutions that won't benefit from Clinton's plan. We explore the important role of private colleges in educating the nation's poor with Trinity Washington University president Patricia McGuire and former Vassar College president Catharine Hill.

Global health volunteering is a growing, multibillion dollar industry. But is it effective? “It seems like an awful lot of resources to invest in something for which there’s practically no evidence of its impact,” says Lehigh Professor Judith Lasker. She discusses her new book Hoping to Help: The Promises and Pitfalls of Global Health Volunteering.

An African-American leader of one of the nation’s largest foundations speaks about racial tensions, philanthropy’s diversity problem, and why these times require philanthropists to be courageous. We talk with W.K. Kellogg Foundation CEO La June Montgomery Tabron.