Before gay marriage was popular, Harris was supporting equal rights for all

Two decades ago, when a Democratic presidential nominee wouldn't dream of endorsing gay marriage, a newly elected district attorney named Kamala Harris was performing one of the first same-sex unions in the United States.

It was the so-called Winter of Love in San Francisco. The mayor at the time, Gavin Newsom, had directed the county clerk to approve gay marriages even though there was no law on the books recognising them. His act of rebellion prompted a bipartisan political backlash, but Harris had no hesitation.

You could tell she was so overwhelmed and had so much joy about performing this ceremony," said Brad Witherspoon, whose marriage to Raymond Cobane was officiated by Harris on Valentine's Day 2004.

The moment represents a stark difference between Harris and all previous Democratic presidential nominees, who didn't begin their political careers as gay marriage supporters.

Four years after the Winter of Love, the issue was still off the table during the party's primary. And