Two dads, an egg donor and a surrogate: How a freezer failure changed everything

Updated 1941 GMT (0341 HKT) June 29, 2018

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San Francisco, California (CNN)Their first date was over lunch during a Proposition 8 protest, where they joined hundreds of others railing against the passage of California's same-sex marriage ban. The two men took a break from demonstrating, threw their hearts on the table and talked about their desire to have kids.

So it was somehow appropriate that in June 2013, nearly five years later, Bill Taroli and Yang Li stood in a delivery room and welcomed their son, Henry, one day before the US Supreme Court overturned Prop 8. A couple weeks later, with their newborn in their arms, they exchanged vows and were legally married.