Mark Sisson talks about his new book and becoming a fat burning machine

Published: Feb. 17, 2016, 6:30 a.m.

Commander Mark Divine speaks\xa0with author, athlete and primal lifestyle-guru Mark Sisson about how to train slower to go faster, burn fat in your diet instead of a constant supply of carbs, and, most importantly, how to make sure that being active and athletic is fun rather than being a chore.