Inside the world of fraternities: Journalist discusses Greek system's influence on campus

Caitlin Flanagan spent a year researching the campus power wielded by fraternities, and this month, her article, "The Dark Power of Fraternities" is the cover story of The Atlantic magazine. She joins "CBS This Morning: Saturday" to discuss fraternities' influence, including her reporting in which she claims frats are, in many ways, mightier than the universities that host them.