Late last week, the Pac-12 conference — which dates back more than a century — was suddenly showing signs of completely falling apart, with Oregon and Washington among the latest schools to leave. Today, we look at the rich history of a conference that produced John Elway, Aaron Rodgers, and Alex Morgan (among others), and how a strange combination of arrogance and apathy has brought it to the brink of extinction. Plus, what the mass Pac-12 exodus means for the teams that have left — and the ones left behind.