Histórico debate sobre matrimonios gay en EE.UU.

TOPSHOTS A gay supporter dances in front of the US Supreme Court on March 26, 2013 in Washington, DC. Same-sex marriage takes center stage at the US Supreme Court on Tuesday as the justices begin hearing oral arguments on the emotionally-charged issue that has split the nation. AFP PHOTO/Jewel Samad

Anti-gay protesters display placards in front of the US Supreme Court on March 26, 2013 in Washington, DC. Same-sex marriage takes center stage at the US Supreme Court on Tuesday as the justices begin hearing oral arguments on the emotionally-charged issue that has split the nation. AFP PHOTO/Jewel Samad

Opponents of same-sex marriage pass the US Supreme Court during the March for Marriage in Washington,DC on March 26, 2013 as the court hears arguments on California's Proposition 8 ban on same-sex marriage. AFP PHOTO/Nicholas KAMM

Hollingsworth v. Perry Plaintiffs Kris Perry and Sandy Stier head for the US Supreme Court on March 26, 2013 in Washington, DC. Same-sex marriage takes center stage at the US Supreme Court on Tuesday as the justices begin hearing oral arguments on the emotionally-charged issue that has split the nation. AFP PHOTO/Jewel Samad

A drag queen dances as opponents of same-sex marriage participating in March for Marriage walk past the US Supreme Court in Washington ,DC on March 26, 2013. The court is hearing arguments on California's Proposition 8 ban on same-sex marriage. AFP PHOTO/Nicholas KAMM

Same-sex marriage supporters shout slogans in front of the US Supreme Court on March 26, 2013 in Washington, DC. The US Supreme Court on Tuesday takes up the emotionally charged issue of gay marriage as it considers arguments that it should make history and extend equal rights to same-sex couples. Waving US and rainbow flags, hundreds of gay marriage supporters braved the cold to rally outside the court along with a smaller group of opponents, some pushing strollers. Some slept outside in hopes of witnessing the historic hearing. AFP PHOTO/Jewel Samad

Same-sex marriage supporters wave a rainbow flag in front of the US Supreme Court on March 26, 2013 in Washington, DC. The US Supreme Court on Tuesday takes up the emotionally charged issue of gay marriage as it considers arguments that it should make history and extend equal rights to same-sex couples. Waving US and rainbow flags, hundreds of gay marriage supporters braved the cold to rally outside the court along with a smaller group of opponents, some pushing strollers. Some slept outside in hopes of witnessing the historic hearing. AFP PHOTO/Jewel Samad

Same-sex marriage supporters shout slogans in front of the US Supreme Court on March 26, 2013 in Washington, DC. The US Supreme Court on Tuesday takes up the emotionally charged issue of gay marriage as it considers arguments that it should make history and extend equal rights to same-sex couples. Waving US and rainbow flags, hundreds of gay marriage supporters braved the cold to rally outside the court along with a smaller group of opponents, some pushing strollers. Some slept outside in hopes of witnessing the historic hearing. AFP PHOTO/Jewel Samad