'Barefoot: The Mark Baumer Story'

A new film paints an intimate and moving portrait of Mark Baumer, an environmental activist, who decided to walk across the country -- barefoot -- to raise awareness about climate change. The documentary is titled “Barefoot: The Mark Baumer Story,” and it’s having its video-on-demand and digital release today. The film’s director, Julie Sokolow, joins us to talk about Mark's life and making the documentary.