DES MOINES – The 66 Iowa judges who will be up for retention on the 2016 general election ballot all received high marks in a performance review by attorneys who try cases before them and should be approved to continue serving on the bench, according to officials with the Iowa State Bar Association.Guy Cook, a longtime Des Moines attorney and past president of the Iowa Bar Association, said the average score for justices and judges up for retention was 92 percent approval based on their professionalism, demeanor and other criteria rated by hundreds of association members statewide.“The 63 judges and three Supreme Court justices standing for retention in this year’s general election on Nov.