So, What's College Greek Life Really All About?

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When you think of Greek Life, you might think of a bunch of guys running around in togas or some funky letters - and that certainly leaves room for a lot of questions! So, what's really behind fraternities and sororities? How'd they even get started? And why's there's so much talk lately about what to do with them on college campuses? NBC News' Savannah Sellers breaks it all down.