Barack Obama: “I hope the precautions we're taking prove unnecessary, but better safe than sorry.”

For almost four decades, Nancy Pelosi served the American people and worked to make our country better.

Now the ball’s in your court, Iowa.

I think when you understand the complexities of America and the contradictions of America, I don’t think it makes you love it less. I think it makes you love it more.

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