More and more selective colleges are seeking ways to open their doors more widely to populations that used to find it difficult to be admitted, or to afford tuition. For example, Amherst College recently announced it would no longer give so-called "legacy" preference to applicants whose parents attended the school. Lee Coffin talks with Amherst's dean of admissions and financial aid, Matt McGann, about that and other initiatives that are removing barriers for students from many backgrounds and ethnicities.