Oprah Winfrey will end her talk show in 2011 after 25 years. She will provide more details during tomorrow's show, says her Harpo Productions. Winfrey started her broadcasting career in Nashville and Baltimore before relocating to Chicago in 1984 to host WLS-TV's morning talk show AM Chicago. It became The Oprah Winfrey Show in 1985 and has ruled the airwaves since. (More Oprah Winfrey stories.)