CNN Presents: Black in America continues with "The Black Woman & Family." Soledad O'Brien explores the varied experiences of black women and families and investigates the reasons behind the disturbing statistics on single parenthood, disparities between black and white students in schools and the devastating toll of HIV/AIDS. O'Brien reports on the progress of black women in the workplace and the status of the black middle class. Premieres in HDTV on Wednesday, July 23, 9 p.m. ET