Emmitt Smith is in a position, in my opinion, where he should be the highest-paid running back in football. He's a guy who has gone out and led the league in rushing and been productive.
So when you do your family tree and Margaret Cho does hers, and. . . Wanda Sykes and John Legend. . . we're adding to the database that scholars can then draw from to generalize about the complexity of the American experience. And that's the contribution that family trees make to broader scholarship.