Farms: Tornado-stricken Joplin now thrives, but emotional scars linger lingers

The tornado that struck Joplin, Missouri, in May 2011 was one of the most destructive in U.S. history. Five years later, the city seems to be thriving -- possibly even better off than it was before. One key to its success? Getting residents to stay, says Jane Cage, chair of the Citizens Advisory Recovery Team. But the emotional trauma from that day still lingers. Hari Sreenivasan reports.