Transcript for Big Surprises Underway in Arizona Over Anti-Gay Legislation
And next tonight, we turn to the big surprises today in that culture war under way in Arizona. The one that pits religious liberty against equal rights for gay Americans. Well, today, some big American companies warned the governor of the state, Jan brewer, against signing that bill. In fact, even Mitt Romney weighed in, and not the way you might think. ABC's Cecilia Vega tells us. Reporter: Outrage in the state capital. As governor Jan brewer faces her decision. Does she sign into law a bill allowing businesses, in the name of religious freedom, to refuse to serve gay people, or veto it? But major companies are pouncing, saying the law would create an unfriendly climate that's bad for business. Joing the chorus, Marriott hotels, tech giant apple, which plans to open a 2,000 job high-tech plant in the state and American airlines, whose CEO wrote -- "This bill sends the wrong message." Mitt Romney chimed in cede, urging a veto. Even the NFL weighed in. With next year's super bowl set to be played in Arizona, the league says it supports tolerance and inclusiveness. It is discrimination couched behind the belief that I can hind behind my religious beliefs. Reporter: The opposition has been loud, but so far, we are hearing silence from the backers of this bill. We tried to find business owners in support of it. So far, we have not found one. Be willing to talk, Maya arnoldson of the Christian business networking. For her, this is about religious freedom. How is this any difference than refugz service to someone because of the color of their skin? It would be a horrible thing. This big is specific about about situations where people want to be able to have their belief systems respected. Reporter: The governor has until Saturday to act. Cecilia Vega, ABC nushgsz Fenix.
This transcript has been automatically generated and may not be 100% accurate.