In this image released by Sony Pictures Classics, Robert Redford portrays Dan Rather in a scene from, "Truth." CBS has refused to run advertising for "Truth," the film starring Cate Blanchett and Robert Redford that revisits a painful episode in the network's past involving a discredited 2004 news story on former President George W. Bush's military service record. CBS has denounced the movie, which opens Friday, as a disservice to the public and journalists. (Lisa Tomasetti /Sony Pictures Classics via AP)

CBS bans advertising for critical film

NEW YORK (AP) — CBS has refused to run advertising for “Truth,” the film starring Cate Blanchett and Robert Redford that revisits a painful …