"When the federal Religious Freedom Restoration Act was signed into law by former president Bill Clinton on 16 November 1993, it did so with rare bipartisan support...

Critics say that the RFRA gives businesses and other groups defined as persons under the law a way to discriminate against LGBT people, who are not a protected class in the state.

So, how did a law that brought diverse religious groups and divided political parties together in 1993 become a polarizing issue 22 years later?"

Read more:  http://www.theguardian.com/us-news/2015/apr/02/religious-freedom-restoration-history