Our girls have to be treated the same. We can't let old traditions stand in the way. The march of history shows that we have the capacity to broaden our moral imaginations. We come to see that some traditions are good for us, they keep us grounded, but that, in our modern world, other traditions set us back. When African girls are subjected to the mutilation of their bodies, or forced into marriage at the ages of 9 or 10 or 11 -- that sets us back. That's not a good tradition. It needs to end. [...].