Cynthia Littleton Business EditorWriters for the ABC quiz show “The Chase” have gone on strike against producer ITV America in a contract dispute.The Writers Guild of America East, which represents the writers, asserts that ITV America has refused to abide by some of the terms of the collective bargaining agreement that covers the show. ITV America could not immediately be reached for comment.The WGA has publicly targeted ITV America for the past few weeks over “The Chase” dispute.