(Note: Strong language in quote in paragraph 10) By Mary Milliken BEVERLY HILLS, California (Reuters) – With a voice several octaves underground and a piercing stare, action star Vin Diesel goes to an even darker place as Riddick in the third installment of the sci-fi film series, nine years after "The Chronicles of Riddick." In "Riddick," which opens Friday, Diesel's ex-convict character leaves his comfortable world as leader of the Necromonger death race to search for his homeland. …
