60 Minutes

Survivors' Network, Pleistocene Park, The Rock (51x24)

Air date: Mar 31, 2019

Parents of a 2012 Aurora, Colorado shooting victim travel the country to help others impacted by mass shootings; then, Siberia’s Pleistocene Park: Bringing back pieces of the Ice Age to combat climate change; then, German-style program at a Connecticut maximum security prison emphasizes rehab for inmates.