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Darcia Anthony, left, and her partner, Danielle Williams, chat before participating in a marriage ceremony at City Hall in Baltimore, Tuesday, Jan. 1, 2013. Same-sex couples in Maryland are now legally permitted to marry under a new law that went into effect after midnight on Tuesday. Maryland is the first state south of the Mason-Dixon Line to approve same-sex marriage. (AP Photo/Patrick Semansky)

Gay marriage in America

May 12, 2012

As the Supreme Court prepares to hear two cases concerning marriage equality for same-sex couples, a look at the legal battles and the controversies over gay marriage in the United States.