The candidates are endorsing the First Amendment Defense Act, which would prohibit the federal government from stopping discrimination by people or businesses.
Donald Trump says he won't run outside the party structure, as does Ben Carson, in a foreign policy debate marked by many contentious moments.
The Republican governor of New Jersey broke ranks with his fellow presidential candidates, saying he does not believe LGBT people should be denied service.
A bill making it easier to change gender markers would solve a serious problem for trans people, but the governor thinks it's a laughing matter.
Citing concerns about fraud, Christie vetoes a bill that would make it easier for transgender people to amend the gender their birth certificates.
The newest Republican presidential aspirant holds the distinction of being the only candidate to veto marriage equality.
What the GOP field for president says about Indiana's discriminatory law gets a little murkier.