Obama, did you hear us knocking?

If you received word that there was a group of people walking 3,000 miles across the United States, and their end destination was your house, would you take the time to greet them when they arrived? If one of these cross-country adventurers wrote you a letter every day of this journey, describing to you in detail the lands she traveled through and the beautiful stories of the hundreds of people she met, would you write back to her?