"World News With Charles Gibson's" series "Who Is" features one interview every week with a presidential candidate from now until December, with the focus fixed on the candidate's private life. Click through the following images for a peek at the Democratic contendors before they became known in Washington.
Sen. Hillary Clinton was born Oct. 26, 1947, in Chicago. Her early years were spent in Park Ridge, Ill., a typical middle class suburb with her mother, father and two younger brothers. As a child, she was an avid member of the Girl Scouts. (Clinton Campaign)