Imagine yoga’shistory as India’s geography. You are flying over the Ganges River from itssource in the Himalayas to its mouth on the Bay of Bengal. You can’t see much.Most of the terrain is blanketed in clouds just as much of yoga’s past iscloaked in the mists of time. Occasionally, the vista opens up. You gazeintensely at each of these viewpoints to note the flow has grown in size andchanged in color from tributaries that fed the river at junctions you did notwitness but can reliably ass...