A&E cable network has suspended production of its hit reality series "Dog the Bounty Hunter" after star Duane "Dog" Chapman repeatedly used a racial slur during a private phone conversation with his son that was recorded and posted online.Duane Chapmanās son Tucker taped the phone conversation with his father and sold it to The National Enquirer. Chapman issued a statement Wednesday apologizing for the comments after the National Enquirer posted a clip of the conversation in which he uses a racial epithet six times in reference to his son's girlfriend