Iowa GOP chair says Dems the 'gay-marriage party' DES MOINES, Iowa (AP) — The head of the Iowa Republican Party says he will continue to uphold the GOP's opposition to gay marriage. The Des Moines Register reports (http://dmreg.co/W4ibCp ) that during a taping of the public television program "Iowa Press" on Thursday, AJ Spiker said the Iowa GOP believes marriage should only be allowed between men and women.