Controversial conservationist Damian Aspinall wants to close all zoos, including his own, and free the animals to the wild. But is it a good idea?
Controversial conservationist Damian Aspinall wants to close all zoos, including his own, and free the animals to the wild. But is it a good idea? Lesley Stahl reports on Sunday, March 15 at 7 p.m. ET/PT.
