Mitt Romney is keeping mum on the current controversy surrounding Chick-Fil-A.

The presumed GOP presidential candidate on Friday refused to discuss the matter with reporters in Las Vegas, saying that Chick-Fil-A is among issues that “are not things that are part of my campaign.”

Former rivals Rick Santorum, Newt Gingrich and Michele Bachmann have all publicly defended Chick-Fil-A CEO Dan Cathy's right to oppose gay marriage.

A day set aside as a show of support was organized by former Arkansas Governor Mike Huckabee. And former Alaska Governor Sarah Palin also weighed in, saying Cathy was “getting crucified” for expressing his opinion.

“I'm not going to tell other people what to talk about,” Romney said in response to his GOP colleagues.

Ralph Reed, the founder of the Christian conservative Faith and Freedom Coalition, told that Romney was making a mistake.

“The vast majority of the American people, even those who might not agree with Dan Cathy's personal views, think that it was incorrect for Rahm Emanuel and the mayor of Boston to suggest that they wouldn't be allowed to get a permit in their city,” said Reed. “I think anything for anybody running for office in either party right now would benefit” from a visit to Chick-Fil-A.

Pat Buchanan agreed: “I don't understand why Mitt Romney doesn't just get his Secret Service detail and take his press corps down to a Chick-Fil-A and show solidarity with these people,” said Buchanan. “I don't know why not. It's instinct. Reagan would have walked right on down there naturally.”