Tensions are running high as conservative Christians and gays and lesbians clash in a re-ignited culture war. New York Times readers were treated to a full-page ad on Friday accusing gays and lesbians of religious bigotry and mob behavior.

The signers of the ad, a cadre of religious-right figures calling themselves No Mob Veto, said, “beginning today, we commit ourselves to opposing and publicly shaming anyone who resorts to the rhetoric of anti-religious bigotry.”

Sporadic skirmishes have arisen since the passage of Proposition 8, a California initiative that rescinded the right for same-sex couples to marry in that state. Someone sent an envelope containing white powder to Mormon temples in California and Utah recently — owing to the church’s investment in supporting the measure — and a school board member punched and kicked a gay man in Bakersfield, Calif., during a Prop 8 protest in October.

And the ad has touched off another round of heated rhetoric by both sides.

“Several signatories to the ad are generals in the culture wars,” said Rev. Susan Russell of All Saints [Epsicopal] Church in Pasadena, Calif. Russell works on religious issues with the Human Rights Campaign (HRC), an LGBT group that opposed Prop 8.

“They lied about gay people in the campaign, and now they are lying again when they say we are in favor of mob intimidation and violence,” she said.

The No Mob Veto ad vows to shame anyone who resorts to anti-religious bigotry — and the ad’s signers know something about anti-religious bigotry: Many have engaged in it themselves.

Click to view the ad in a new window.

Click to view the ad in a new window.

“Mormonism either affirms historic Christianity, or it doesn’t. Since it doesn’t, it can’t call itself Christianity — a fact that all the good will and public relations in Utah can’t change,” wrote Chuck Colson, a central Watergate figure who, after being “born again” as a Christian, started the Prison Fellowship Ministries.

Colson is a signer of the No Mob Vote ad. He also told The Washington Monthly in 2005, “While Mormons share some beliefs with Christians, they are not Christians.”

On Muslims, Colson told ABCNews in 2007, “Islam is a vicious evil.”

Meanwhile, National Association of Evangelicals lobbyist Rich Cizik, another signer of the ad, spoke for the majority of evangelicals on Mitt Romney’s chances as a Mormon presidential candidate. “Most evangelicals still regard Mormonism as a cult,” he told Washington Monthly in 2005. “That will shape, I’d imagine, their reactions to Romney as a candidate for the White House.”

Signer William Donahue of the Catholic League also has a laundry list of controversial statements to his credit.

“Hollywood is controlled by secular Jews who hate Christianity in general and Catholicism in particular. It’s not a secret, OK? And I’m not afraid to say it,” he told MSNBC when asked about opposition to Mel Gibson’s The Passion of the Christ. “That’s why they hate this movie. It’s about Jesus Christ, and it’s about truth. It’s about the Messiah.”

Donahue also went after President Bush in 2005 for allowing the White House to hand out holiday cards that didn’t specifically reference Christmas. “The Bush administration has suffered a loss of will and … they have capitulated to the worst elements in our culture,” he said, according to the British Broadcasting Corporation (BBC).

He has also gone after Sen. Charles Schumer, folk singer Joan Osborne for her God-inspired song “One of Us,” ABC drama Nothing Sacred, indie filmmaker Kevin Smith, alt-rocker Marilyn Manson, the fantasy film The Golden Compass, conservative radio host Michael Savage, comedian Kathy Griffin, CBS’ prime-time series “CSI: Crime Scene Investigations” and presidential candidate Mike Huckabee.

Donahue blamed gays for the sexual abuse scandals plaguing the Catholic Church. The Gay and Lesbian Alliance Against Defamation said in 2005, “Since 2002, Donahue has continued to opportunistically exploit the crisis in the Catholic Church to link adult homosexuality (and gay people in general) with child sexual abuse — ignoring the fact that such abuse of power is not reflective of any healthy adult sexual orientation — gay or straight.”

Not all religious leaders agree with the latest religious tactic to paint themselves as persecuted.

Bishop John Selders of Amistad United Church of Christ in Hartford, Conn., commented in an HRC press release Monday, “As an African-American, I’ve heard this before. A few frustrated members of a minority group respond in anger to a new indignity and the oppressor calls them anarchists,” he said.

“Satan, sometimes called the Father of Lies, is at work when powerful people seek to dehumanize those who are less powerful.”

Rev. Russell agreed. “Many of the leaders cited in this ad preach hate against lesbian, gay, bisexual and transgender people, then look the other way when LGBT people are the victims of hate crimes,” she said. “This ad is an act of individual and corporate hypocrisy.”