Recently I took a train trip from Chicago to Glenwood Springs. I sprung for a roomette with a fold out bunk bed for the night. (And sleeping on a train was just as much fun as I hoped it would be!) As I left Chicago, there was a winter storm coming. But the train just shrugged that weather aside. During the over thousand mile trip, Amtrak passed right through the heart of many downtowns. I caught a glimpse of many libraries. That's not surprising, since there are more than 16,000 public libraries across the nation--more than there are McDonald's or Starbucks. Isn't that good news? In almost every town across the Great Plains, there are those earmarks of place. A library. A Post Office. A school. A town hall. These spaces represent something we don't think about too often: a public investment in knowledge and civic participation. These are the pillars upon which our nation stands. As I sat in my little room and watched the miles fly by, I also listened to an audiobook (B...