Sarah Ferguson is in talks with a TV channel about an on-screen role, according to a source. The Duchess of York has been welcomed by ITV to return to both This Morning and Loose Women in a part-time role, the insider close to Fergie said. Ferguson debuted in Holly Willoughby’s old role on This Morning in November but received mixed reviews from viewers. It was reported that Fergie could be in the running to permanently fill Willoughby’s seat on the ITV show. But according to representatives of the duchess this was “never on the cards” as she does not have the time for a full-time position. Th…