Diane Gira (left) and Valerie Nelson (right) pose with their son, Madison, in their home near Wahpeton, N.D. Maggie Penman/NPR hide caption

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The small town of Wahpeton, N.D., is one of the places where conversations on same-sex marriage are playing out in schools, churches and families. Maggie Penman/NPR hide caption

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Thousands of opponents of Indiana Senate Bill 101, the Religious Freedom Restoration Act, gathered on the lawn of the Indiana State House to rally against that legislation on Saturday. Doug McSchooler/AP hide caption

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Several countries, including Australia, Japan and Great Britain, already encourage blood donations from some gay men. Kevin Curtis/Getty Images/Science Photo Library hide caption

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Counterdemonstrators in favor of LGBT rights wear pink triangles, reminiscent of those homosexuals were forced to wear in Nazi concentration camps. Sylvia Poggioli/NPR hide caption

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The Colorado Rush, a gay rugby team in Denver, at practice. "I've always thought of myself as ... the rugby player that happens to be gay," says Skyler Meyer. "I never want to be the gay man who happens to play rugby." Luke Runyon/KUNC hide caption

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Human Rights Campaign, a national gay-rights group, launched a grass-roots effort to make the Deep South's culture more accepting of gays and lesbians. Brad Clark discusses the group's work in Mississippi. Rogelio V. Solis/AP hide caption

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Democratic Rep. Mike Michaud speaks at the Pride Parade and Festival in Portland, Maine, on June 21. Michaud, who is openly gay, is running for governor with the backing of national LGBT groups. Susan Sharon/NPR hide caption

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Couples kiss during the Athens gay pride parade last June. Last month, activists organized a "kiss-in" during a church service run by a Greek Orthodox bishop who has threatened to excommunicate politicians supporting same-sex unions. Louisa Gouliamaki/AFP/Getty Images hide caption

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Activists protest Uganda's anti-gay legislation in Nairobi, Kenya, this month. LGBT status has been grounds for asylum in the U.S. since 1994, but winning refugee status can be difficult, particularly for people who are unable to obtain visas to the U.S. before applying. Dai Kurokawa /EPA/LANDOV hide caption

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Earlier this month, Hal Faulkner (left), 79, received his new papers from two Marines after having his military status changed to "honorable discharge." Faulkner died Tuesday. Courtesy of Phil Latzman hide caption

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Sept. 25: Police detain a gay rights activist in Moscow. The poster, adorned with Olympic rings, reads "Homophobia is the shame of Russia!" Alexander Nemenov/AFP/Getty Images hide caption

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Several same-sex couples hold a group wedding ceremony Monday at the Sheraton Waikiki in Honolulu. Marco Garcia/AP hide caption

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Sen. Mark Kirk, R-Ill., speaking from the floor of the Senate on Monday. C-SPAN.org hide caption

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