If you’re familiar with the Tour de France, I’m sure you also know how grueling and punishing it is on the body. Such tests of endurance, strength, and determination should be rewarded every none and then with a little humor or “outside content” to keep bikers’ minds from getting so stuck in a groove. Lance Armstrong, with the help of Nike have brought something special to this years Tour: The Chalk Bot. What is it? It is a little...