Sullivan, himself a practicing Catholic and an openly gay, married man, said that the biblical evidence that people use to oppose gay marriage has been misinterpreted, and that because Catholics accept divorce they should be willing to accept gay marriage as well.
"I would say the religious arguments are more based in fear than in the actual teachings, that they're based upon stray texts that actually don't mean what you think they mean and that Jesus himself only said one thing about marriage, which is that you can't divorce," he said. "And we live in a country where countless people are divorced. And that doesn't seem to threaten the religious liberty of Catholics. And it's as fundamental an issue."
“If Catholics can live with religious liberty with divorced people, they should be perfectly able to live with gay people, I mean, as married, as a civil marriage,” Sullivan said.
Watch the video above to hear more.
This isn't the first time the relationship between gay marriage and divorce has been looked at: Last month, research by NBC 5 in Chicago found that states that legally allow gay marriage have lower divorce rates than states that do not.