As one who has always loved riding a bike -- for the exercise, the freedom, and most of all for the feeling of being somehow a participant in nature rather than a conqueror of it -- I agree that there is something special about bicycles.

On the other hand, the fact that I spend far more time in my car than on my bike, despite the joy riding brings me, suggests just how out of step this century-old "miracle" is with modern American culture.