Those folks may be morally right — especially the gay staff members at the Red Hen who feel their rights are threatened by the work Sanders does.

But the actions aren’t ethical and fair business practices.

Because I think it opens the door to the kind of abuse Sanders encouraged in the wedding cake case.

Where does it end? Will we have to show our voter registration cards at the hair salon? Can a doctor refuse to perform surgery on a white nationalist who comes into the E.R. after a car crash? Can that mechanic boot me because he doesn’t like The Washington Post?