for more, we are joined from syracuse, new york by suzanne metler, a professor of government at cornell university and the author of "degrees of inequality: how higher education sab to your knowledge" you say colleges have gone from facilitating upward mobility to hindering it. some would say the scales have been tipped in favor of the ? >> it's good to be here with you antonio. it's a complex story. it is at a time case that before world war ii, it was mostly people who came from privileged backgrounds that were able to go to college. but then, the period from the gi bill after world war ii up through pel grants in the 1970s changed that and we began tha think of college as a path for upward mobility and building the middle class the. these days, it's still their ticket to opportunity. but too many students don't graduate or even if they do, they are in such debt that they have trouble repaying those loans and some are worse off than if they had never done to college in the first place. >> one of the things is a big problem for funding for state universities that account for almost thr