Add Yahoo as a preferred source to see more of our stories on Google. Suzi Hanna tries to rehearse with her husband, Jack, for a video recording of a happy birthday message to their granddaughter on ...

Jack Hanna, one of the world's most celebrated zookeepers and star of TV shows like "Jack Hanna's Into the Wild" and "Jack Hanna's Wild Countdown," has been diagnosed with dementia, now believed to be ...