Chicago, Illinois. April 24, 2014. It was a dark, solitary morning walk from my home to the bus stop. It should have been. I started at 4:50. Even in Las Vegas, very little is happening in residential neighborhoods then. My goal: see some of America’s heartland, visit friends, and try to travel on shared means of transportation instead of wrapping myself in a security cocoon of single passenger conveyance. Which brings me to my first bus stop–twenty minutes early. I love to walk, and I set a pace,…