Los Angeles, Dec. 16 -- The son of filmmaker Rob Reiner was arrested on homicide charges after the director of beloved movies like "When Harry Met Sally ..." and his wife were found dead in their Los Angeles home, a police official said on Monday. Nick Reiner, 32, was being held in a Los Angeles County jail on a $4 million bond, according to jail records. An official with the Los Angeles County Sheriff's Department said he had been arrested on homicide charges.P13...