The Washington National Cathedral, where the nation gathers to mourn tragedies and celebrate new presidents, will soon begin performing same-sex marriages.

Cathedral officials tell The Associated Press the church will be among the first Episcopal congregations to implement a new rite of marriage for gay, lesbian, bisexual and transgender members. The church will announce its new policy Wednesday.

As the nation's most prominent church, the decision carries huge symbolism. The 106-year-old cathedral has long been a spiritual center for the nation, hosting presidential inaugural services and funerals for Ronald Reagan and Gerald Ford. It draws hundreds of thousands of visitors.

In light of the legality of same-sex marriage in the District of Columbia and now Maryland, the Rt. Rev. Mariann Edgar Budde, the Episcopal bishop of Washington, decided in December to allow an expansion of the Christian marriage sacrament. The diocese covers the district and four counties in Maryland. The change is allowed under a "local option" granted by the church's General Convention, church leaders said. Each priest in the diocese can then decide whether to perform same-sex unions.

The Very Rev. Gary Hall, the cathedral's dean, said performing same-sex marriages is an opportunity to break down barriers and build a more inclusive community "that reflects the diversity of God's world."

"I read the Bible as seriously as fundamentalists do," Hall told the AP. "And my reading of the Bible leads me to want to do this because I think it's being faithful to the kind of community that Jesus would have us be."

Celebrating same-sex weddings is important beyond the Episcopal Church, Hall said. Church debate is largely settled on the matter, allowing for local decisions, he said. The move is also a chance to influence the nation.

"As a kind of tall-steeple, public church in the nation's capital, by saying we're going to bless same-sex marriages, conduct same-sex marriages, we are really trying to take the next step for marriage equality in the nation and in the culture," Hall said.

Hall is the 10th dean of the cathedral and has been an ordained minister for more than 35 years. He said he began performing same-sex blessings in 1990 when he served at All Saints Church in Pasadena, Calif.

It will likely be six months to a year before the first gay marriages are performed at the cathedral due to its busy schedule and its pre-marital counseling requirement. Generally, only couples affiliated with the cathedral will be eligible. Church leaders had not received any requests for weddings ahead of Wednesday's announcement.

While Hall does not expect any objections within the National Cathedral congregation, he said the change may draw criticism from outside. It may be divisive for some, just as it was to preach against segregation or to push for the ordination of women, Hall said.

The New York-based Episcopal Church is the U.S. body of the 77 million-member Anglican Communion. The House of Bishops voted last year 111-41 to authorize a provisional rite for same-sex unions. Some congregations have left the church over its inclusion of gays and lesbians over the years.

Same-sex marriage is now legal in nine states and the District of Columbia. Legislators in Illinois and Rhode Island are set to take up bills to possibly join them, and the Supreme Court is scheduled to hear cases on gay marriage in March.

The first same-sex wedding performed last month at West Point's Cadet Chapel drew some protests from conservatives. The National Cathedral is even more visible.

Hall, the cathedral dean, said the church has a long history of taking stands on public issues. But he said he sees marriage as a human issue, not a political issue.

"For us to be able to say we embrace same-sex marriage as a tool for faithful people to live their lives as Christian people," he said, "for us to be able to say that at a moment when so many other barriers toward full equality and full inclusion for gay and lesbian people are falling, I think it is an important symbolic moment."

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Washington National Cathedral: http://www.nationalcathedral.org

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