Priebus also said he wishes Obama supporters had voted for Romney The GOP's big tent strategy, revealed: The GOP platform leaves no doubt about its absolute opposition to same-sex marriage, but Republican National Chairman Reince Priebus says the party needs to welcome those with other views on a combustible issue that will be considered by the Supreme Court today. "We do have a platform, and we adhere to that platform," Priebus said in an interview Monday on USA TODAY's Capital Download video series.