Barack Obama: “Not a single day goes by where I don't think about all the time and the energy, the money, the commitment, the…”

It's a way to honor her trailblazing leadership, and inspire visitors to follow in her footsteps.

We’ve now fought a war, spent billions and billions of dollars, you know, put enormous strain on our military. A lot of people have died. And it feels like we’re back where we were before we started the war, except maybe a little bit worse…

There’s no doubt that we are going through a period right now of disruption, polarization.

The success of this experiment was never a given.