Three Years Later, The Health Wagon, Discovered

Bob Simon reports on the aftermath of the disaster in Fukushima, Japan, and finds toxic ghost towns frozen in time; then, nurse practitioners are providing badly needed healthcare to the uninsured working poor in Appalachia -- medical mercy for those left out of Obamacare and ineligible for Medicaid; and, Morley Safer reports on the discovery of the largest cache of missing art since WWII and the battle over its ownership.