Leading Democrats and LGBT groups immediately denounced the move, saying "conscience protections" could become a license to discriminate, particularly against gay and transgender people.
A Roman Catholic priest in Milwaukee has come out as gay, writing that he will no longer live in the shadows of secrecy and plans to be authentic to his gay self.
The open letter was signed by 20 Catholic bishops along with Lutheran, Anglican, Greek Orthodox, Presbyterian, Southern Baptist, Muslim, Orthodox and other Christian leaders.