Great Whites: Great white sharks are coming nearer U.S. beaches, but does it mean attacks on people will increase? Bill Whitaker reports, Rome Hartman produces. The Wolves of Yellowstone: The once familiar howl of the wolf in the American West has returned to Yellowstone Park and its environs thanks to a careful re-introduction of the animal by the U.S. Park Service, but the number of wolves venturing into the states surrounding Yellowstone Park has some ranchers and hunters worried. Bill Whitaker reports, Rome Hartman and Sara Kuzmarov produced. The Photo Ark: National Geographic photographer Joel Sartore is attempting to photograph every living species in captivity. 60 Minutes cameras tag along on a shoot and see first-hand that animals can do the darndest things. Bill Whitaker reports, Robert Anderson and Aaron Weisz produced.