Every night on her radio show, Delilah hears stories of the heart from her listeners, which she in turn shares with millions of other listeners around the world. Today we learn about the woman behind the microphone as Delilah tells us about her growing-up years and how she broke into broadcasting. Despite her broad reach, Delilah has discovered that the easiest way to change the world is by touching the lives of your own neighbors and friends, which she talks about in her new book, “One Heart at a Time.”