Just after midnight, Denver Mayor Michael Hancock, left, performs a civil union vows ceremony for Sonja Semion, center left, and her partner Courtney Law at the Webb Municipal Building in Denver, ... more 
Just after midnight, Denver Mayor Michael Hancock, left, performs a civil union vows ceremony for Sonja Semion, center left, and her partner Courtney Law at the Webb Municipal Building in Denver, Wednesday May 1, 2013. In March 2013, the Colorado General Assembly passed SB-11, the Colorado Civil Union Act, which provides committed same-sex couples with legal protections and responsibilities. The act went into effect on May 1, 2013. (AP Photo/Brennan Linsley) less 
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Associated Press | Photo By Brennan Linsley
Wed, May 1, 2013 11:56 AM EDT