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Same-sex marriage supporters demonstrate in front of the Supreme Court on March 27, in Washington, D.C.
Pablo Martinez Monsivais / AP
A demonstrator holds a Bible while marching outside the Supreme Court in Washington, on March 26, as the court heard arguments on California's voter approved ban on same-sex marriage, Proposition 8.
Pete Marovich / Zuma Press
Pro same-sex marriage activist Ryan Toney, 18, of Washington, D.C. stands in front of the Supreme Court in Washington D.C. on Wednesday.
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Opponents of same-sex marriage participate in the March for Marriage in Washington, D.C. on March 26.
Saul Loeb / AFP - Getty Images
Same-sex marriage supporters and same-sex marriage opponents argue their points in front of the US Supreme Court on March 26, in Washington, D.C.
Demonstrators for and against same-sex marriage rallied outside the U.S. Supreme Court with signs on Tuesday and Wednesday, as the court heard cases on California's Proposition 8 and the Defense of Marriage Act.