Mark Clement joins Armchair Authentic to introduce his trailblazing podcast, Age of Lions, and challenge everything we think we know about growing older. In a culture obsessed with youth, Mark flips the script with surprising research that shows our 50s, 60s, and 70s are often our most impactful decades—not our declining years. “There's no expiration date on calling,” Mark declares, a truth he’s living out at age 56. Having shed 20 pounds, he’s preparing for a five-day, 20-mile wilderness tre...