J. Harry Wray is a bike enthusiast and Professor of Political Science at DePaul University in Chicago, one of the bike-friendliest cities in the nation. He received his B.A. from Whittier College and his Ph.D. from the University of North Carolina-Chapel Hill, where the country roads sparked his interest in biking. Now he teaches courses in which students bike through every side of the city of Chicago-from the South Side to the lakeside-and shows them how politics, economics, and the environment combine to affect culture and be affected by it. Wray's previous books include Sense and Non-Sense:...