James Lawrence is best known as the Iron Cowboy, after he completed 50 Ironman triathlons in 50 US States in 50 Days. Six years later, he's now stepping it up to 100 Ironmans in 100 Days, starting in a couple months. We talk to him about why he's doing it and what his mindset will be this time, after enduring one of the most difficult things he could ever have imagined doing the 50:50:50.