FILE - This undated photo provided by the South Carolina Department of Corrections shows the state's death chamber in Columbia, S.C., including the electric chair, right, and a firing squad chair, left. (South Carolina Department of Corrections via AP, File) COLUMBIA, S.C. – When the clock strikes 6 Friday evening, a South Carolina man will walk into the death chamber, be strapped into a chair and have a target placed over his heart. He may utter last words before a hood is placed over his head, a curtain shielding him from spectators is swept aside and three volunteers armed with...