TO GO WITH AFP STORY BY CONOR BARRINS Banners encouraging voters to support the Yes and the No campaign in the Irish same-sex marriage referendum are seen in Dublin on May 13, 2015. Ireland could become the first country in the world to vote for same-sex marriage in a historic referendum on May 22 in this traditionally Catholic nation. Voters will be asked whether or not to add an article to the Irish constitution saying: "Marriage may be contracted in accordance with law by two persons without distinction as to their sex." AFP PHOTO / PAUL FAITH (Photo by PAUL FAITH / AFP) (Photo credit should read PAUL FAITH/AFP via Getty Images)
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