This article was originally published as "I Found My Dad...Too Late" in the December 2007 issue of Cosmopolitan.After searching for her birth father, Mariah Mills was shocked to learn his famous identity -- and devastated to find out he'd died I've always known I was adopted. My mom and dad explained that although my birth parents really loved me, they hadn't been ready to take care of a baby. I had a happy, "normal" childhood with a loving family, but a huge question mark remained.In Saint Paul, Minnesota, where I grew up, adoptees don't have access to their birth parents' names...