The U.S. Supreme Court is hearing two landmark cases on same-sex marriage this week. Hundreds of demonstrators gathered outside the court during the proceedings.
Gay Marriage Argued Before US Supreme Court

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Plaintiff Edith Windsor looks to supporters in front of the Supreme Court in Washington, March 27, 2013.

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A supporter of traditional marriage rallies in front of the Supreme Court in Washington, March 27, 2013.

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Demonstrators chant outside the Supreme Court in Washington as the court heard arguments on California's Proposition 8, March 26, 2013.

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A demonstrator holds a bible while marching outside the Supreme Court in Washington as the court heard arguments on California's Proposition 8, March 26, 2013.