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With his decision to legalize same-sex marriage, Catholic Supreme Court Justice Anthony Kennedy betrayed Christ similarly to Judas, a Catholic activist said Wednesday.

"Judas betrayed Jesus with a kiss. Anthony Kennedy betrayed him with a vote," Hugh Brown of the American Life League said at a press conference on the Supreme Court's decision last Friday to legalize same-sex marriage nationwide.

And he should be ex-communicated from the church for his ruling, said Michael Hichborn of the pro-Catholic Lepanto Institute.

But Kennedy, who wrote the majority opinion, didn't just betray Catholicism with his ruling in Obergefell v. Hodges, both Hichborn and Brown said. Kennedy and the four justices who joined him pose a serious threat to religious liberty in the United States, the two said with other speakers at Wednesday's press conference.

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