The ultimate pedestrian: How one man’s walk across America became a journey of advocacy

​ Holden Ringer doesn’t know what led to him packing up one day and taking a cross-country walk. In true “Forrest Gump” fashion, he says he just wanted to take a walk. It’s been 10 months and led him through 3,4000 miles across 11 US states. Read More Breaking News, Latest News and Videos | CNN