In what is seen as a major victory for the gay-rights movement, the U.S. Supreme Court has ruled the federal government may not restrict the definition of marriage to opposite-sex couples.
US Supreme Court Rules on Gay Marriage

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Plaintiffs in Hollingsworth v. Perry, the California Proposition 8 case, react on steps of the Supreme Court in Washington, June 26, 2013, after justices cleared the way for the resumption of same-sex marriage in California.

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American University students Sharon Burk, left, and Molly Wagner, embrace outside the Supreme Court in Washington, June 26, 2013, after the court cleared the way for same-sex marriage in California.