The chairman of the Colorado Republican Party, Dick Wadhams, has said that the reason U.S. Senate candidate Ken Buck lost to incumbent Democrat Michael Bennet, despite having a lead in the polls, is the late barrage of advertising by women’s group attacking Buck on abortion (including the personhood amendment), his refusal to prosecute a rape case (he called the woman’s behavior “buyer’s remorse”) and his sexist comments saying he was the better Republican than his female opponent because he …