When Washington Post journalist Lonnae O'Neal Parker wrote her controversial article "White Girl?" she struck a nerve-and opened a dialogue-with readers on both coasts. In this program, ABC News anchor Ted Koppel and correspondent John Donvan explore what it means to be black in America, assisted by Ms. Parker, her biracial cousin Kim McClaren, and Peggy Sakagawa, Caucasian wife of an Asian-American man. Lonnae's message? Being black today is still...