Chantal Rohlfing (l to r), Alison McKenzie, both of Albany and Davina Kotulski of Oakland hold hands as they participate in a sit-in demonstration inside the office of San Francisco's county clerk on February 14, 2011 in San Francisco, California. Close

Chantal Rohlfing (l to r), Alison McKenzie, both of Albany and Davina Kotulski of Oakland hold hands as they participate in a sit-in demonstration inside the office of San Francisco's county clerk on February 14, 2011 in San Francisco, California. Close to a dozen same-sex couples who were denied marriage licenses were arrested after they staged a sit-in demonstration inside the office of San Francisco's county clerk. (Photo By Lea Suzuki/The San Francisco Chronicle via Getty Images)