In the wake of the Supreme Court’s gay marriage ruling, anti-gay Religious Right groups rallied around a piece of legislation known as the First Amendment Defense Act, which would prohibit the federal government from “taking discriminatory action against a person on the basis that such person believes or acts in accordance with a religious belief or moral conviction that: (1) marriage is or should be recognized as the union of one man and one woman, or (2) sexual relations are properly reserved to such a marriage.”

In essence, the law would give individuals and businesses a license to openly discriminate against gay people and others in the name of “religious liberty,” so naturally anti-gay groups have lined up in support of the legislation.

Today, several of these groups — the American Principles Project, Heritage Action for America, Family Research Council Action — announced that six GOP presidential hopefuls have all signed a pledge to, if elected to the White House, push for the passage of the FADA within their first 100 days in office: