Income Inequality Is A Major Barrier To Attending College --- Morning Edition co-host David Greene talks to Suzanne Mettler of Cornell University, author of the new book, Degrees of Inequality: How the Politics of Higher Education Sabotaged the American Dream. --- Steve Inskeep. - We're continuing our look at how Americans pay for college. Income inequality is a greater barrier to college than in years past. --- DAVID GREENE, HOST: - We've heard about skyrocketing tuition, and also we've heard from college grads who are saddled with debt. This morning, another voice: Suzanne Mettler from Cornell University. In her new book, "Degrees of Inequality," she says government aid once helped make college an engine of upward mobility. - MORE, NPR, at: http://www.npr.org/2014/04/23/306102467/income-inequality-is-a-major-barrier-to-attending-college