Oprah Winfrey to say goodbye to Dr. Oz

In this photo taken April 23, 2009 and provided by Harpo Productions, Inc., talk-show host Oprah Winfrey raises a champagne toast to Dr. Mehmet Oz, her in-house medical and health expert, during taping of "The Oprah Winfrey Show" in Chicago. The show will air nationally on Tuesday, May 12, 2009. Oz is leaving his spot as a regular on the show to launch his own syndicated program this fall. (AP Photo/Harpo Productions, Inc., George Burns) **MANDATORY CREDIT: Harpo Productions, George Burns. NO SALES**