Supreme Court hears arguments on same-sex marriage

A couple kiss outside the U.S. Supreme Court, where justices are hearing arguments on whether gay couples have a constitutional right to wed -- a potentially historic decision that could see same-sex marriage recognized nationwide.

People wait in line in front of the U.S. Supreme Court in Washington, hoping to witness arguments to be heard concerning gay marriage.

A rainbow flag, seen through an American flag, flies in front of the Supreme Court in Washington as the court is scheduled to hear arguments on the constitutionality of state bans on same-sex marriage on Tuesday.

Joe Capley-Alfano, center, and his husband Frank Capley-Alfano, who’ve been together 15 years and married for seven years, hold an American flag in front of the Supreme Court in Washington.

A protester holds balloons calling for religious freedom outside the Supreme Court in Washington. The Supreme Court meets to hear arguments on whether same-sex couples have a constitutional right to wed in the United States, with a final decision expected in June.