With the emergence of barefoot running, the sport suddenly is red hot again. But barefoot or not, are human bodies really born to run? We'll check in on the science or runner's high this hour, and try to unlock the secrets of the Kenyans - the fastest people on earth. Also, Olympic medalist John Carlos remembers the moment that turned him into a cultural icon at the '68 Games.
Last modified:
September 11, 2023