Barack Obama: “John understands personally and deeply the sacrifices that our soldiers and their families make every day.”

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

No one was more skilled at bringing people together and getting legislation passed.

They're meant to remind us of who we can be, to remind us of what's possible, so we can forge ahead.

Now the ball’s in your court, Iowa.