if you were a kid back in the '70s, you cannot know who he was. this heartthrob, keith partridge on the partridge family with that cool bus and that beautiful voice. the abc sitcom ran for four years. and the number one hit "i think i love you" cassidy later launched a solo career and continued to work in tv. this year he revealed that he was in the early stages of dementia. and we're going to tell you that part of his story and the kind of full feel of the life of david cassidy a little bit later in the hour. i am totally blind. and non-24 can throw my days and nights out of sync, keeping me from the things i love to do. talk to your doctor, and call 844-214-2424.