Take a look back at the fight in Maryland over same-sex marriage.
March 1, 2012 Maryland Gov. Martin O'Malley poses with Lt. Gov. Anthony Brown and House Speaker Mike Busch and supporters after signing the Civil Marriage Protection Act of 2012 legalizing same-sex marriage in the state in Annapolis. The law would go into effect next year provided it survives a likely court challenge. Linda Davidson/The Washington Post Buy Photo