Dec. 11, 2012: Masters world record holder David Guthrie joins today's edition of The Morning Swim Show after his record-breaking performances recently in Texas. Guthrie talks about his radical changes in training and nutrition that has led to him swimming fast in the breaststroke events, and the injury that kept him from performing at full capacity. Guthrie is a student of the sport, and he talks about the changes he’s seen in breaststroke that he attempts to emulate, as well as his impressions of the recent swims by Kevin Cordes.