Winfrey: Prayer, careful thought influenced exit (AP)

In this image taken from video Friday, Nov. 20, 2009 and provided by Harpo Productions Inc., talk-show host Oprah Winfrey announces during a live broadcast of 'The Oprah Winfrey Show' in Chicago that her daytime television show, the foundation of a multibillion-dollar media empire, will end its run in 2011 after 25 seasons on the air. (AP Photo/Harpo Productions, Inc.) MANDATORY CREDIT, NO SALESAP - Holding back tears, Oprah Winfrey told her studio audience Friday that she would end her show in 2011 after a quarter-century on the air, saying prayer and careful thought led her to her decision.