Commentator Murray Horwitz has been looking at a photo of Bill Cosby and his son Ennis for nearly ten years. The two are pictured on the cover of a book of photographs of fathers and their sons -- a book which also contains a photo of Horwitz and his son. Horwitz says that since the death of Ennis Cosby, the way he looks at the photo of the Cosbys has changed -- and so, maybe, has his relationship with his son. (3:00) ((STATIONS: "Fathers and Sons" was published by Abbeville Press, in
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