Oprah Winfrey’s Harpo Studios has tapped Page Hurwitz to exec produce Rosie O’Donnell’s new daytime talker for OWN.Show, skedded to debut this fall, will be produced by Harpo out of Chicago in association with O’Donnell’s KidRo Prods. and SantaBu Prods. Hurwitz has spent plenty of time working with talent. Her resume includes serving as an exec producer on NBC’s “Last Comic Standing” and on “The Marriage Ref,” where she helped develop format and creative changes on the show for its second season. Harpo co-presidents Sheri Salata and Erik Logan cited Hurwitz’s range of experience in unveiling her appointment. “Her vision, ideas and spirit — coupled with Rosie’s enthusiasm — will bring something unique and exciting to daytime television,” Salata said.