State-by-state look at same-sex marriage

Published On: May 07 2012 12:57:03 PM CDT   Updated On: May 14 2013 11:55:16 AM CDT

Minnesota is now the 12th state to legalize gay marriage. Find out where else it's legal and where it's being challenged.

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Thirty-one states have constitutional amendments defining marriage as between one man and one woman. However, nine of those states allow same-sex civil unions.

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