After 25 Years Atop Daytime TV, Oprah Takes Final Bow to...

Aired: 5/25/2011 | 0:12:19 | Clip
After 25 years, Oprah Winfrey signed off from her top-rated daytime television talk show for the final time Wednesday. Gwen Ifill discusses Oprah's lasting impact on television and American culture with Audrey Edwards, formerly of Essence Magazine, and The Los Angeles Times' Mary McNamara.