Jack Hanna, the zookeeper who became famous as the director of the Columbus Zoo and Aquarium, is currently battling Alzheimer's disease, and it's getting progressively worse. The 76-year-old was first diagnosed in fall 2019 with early Alzheimer's, and now it's gotten to the point where he doesn't even know his own family. "The Jack people knew isn't here anymore, but pieces of my husband are," Suzi, who has been married to Hanna since 1968, said in a new interview. "And I'm going to hang onto them for as long as I can." “He just stopped remembering who I was in...