Barack Obama: “Teachers need to get paid more.”

Now the ball’s in your court, Iowa.

She knew she was going to mess me up, and she did it anyway.

Every president here today, as different as we are, has tried our best to uphold the values that John McCain and Mitt Romney believed in no less than I did.

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