(Commentary) Once marriage is required everywhere, the combination of the right to marry and an anti-discrimination law would prohibit private businesses from refusing to serve LGBTQ couples. In those states, some of the same law professors who are signatories to the Arizona letter – notably, Douglas Laycock and Robin Fretwell Wilson – have been arguing for a carve-out for businesses that want to “step aside” rather than provide services relating to a same-sex wedding. So far, they’ve had limited success. But they’ll keep trying, and it’s likely their ...