A man holds an American and a rainbow flag outside the Supreme Court in Washington, D.C., after the court legalized gay marriage nationwide. Jacquelyn Martin/AP hide caption

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Carlos McKnight waves a flag in support of same-sex marriage outside the Supreme Court. Jacquelyn Martin/AP hide caption

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Supporters of same-sex marriages gather outside the U.S. Supreme Court on April 28, in Washington, D.C. Mladen Antonov/AFP/Getty Images hide caption

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Ben Wideman (left) is the campus minister for University Mennonite Church in State College, Pa., and Marv Friesen is the church's pastor. Emily Reddy/WPSU hide caption

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A crowd waves rainbow flags during the Heritage Pride March in New York on Sunday. Kathy Willens/AP hide caption

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People gathered near the White House on Friday evening to see it lit in rainbow colors as a commemoration of the Supreme Court's ruling to legalize same-sex marriage. Pablo Martinez Monsivais/AP hide caption

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Marchers carried a multicolor flag during Warsaw's annual gay pride parade earlier this month. Poland prohibits gay marriage but activists say attitudes toward gays have improved in recent years. Alik Keplicz/AP hide caption

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Joel Heitkamp smiles while broadcasting in 2009 at AM radio station KFGO in Fargo, N.D. Elaine Thompson/AP hide caption

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The Rev. Charles Perry of Unity Church, in Birmingham, Ala., marries Curtis Stephens, center, and his partner of 30 years, Pat Helms, Monday at the Jefferson County Courthouse. Alabama began issuing marriage licenses to same-sex couples Monday after the U.S. Supreme Court refused to block the marriages in the state. Hal Yeager/AP hide caption

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Jayne Rowse (left) speaks as April DeBoer kisses her during a news conference in Ferndale, Mich., on March 21, 2014. An appellate court upheld Michigan's — and three other states' — bans on gay marriage. The Supreme Court said Friday it will review the appellate court's decision. DeBoer and Rowse are the Michigan couple in the case. Paul Sancya/AP hide caption

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Kansas can't deny same-sex couples' requests for a marriage license, a federal judge ruled Tuesday. Kerry Wilks (right), one of four women represented by the American Civil Liberties Union in a lawsuit against the ban, spoke with reporters after a hearing Friday. John Hanna/AP hide caption

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