How the conversation on marriage equality changed over the past two decades


Marriage equality supporters gather on the steps of the Pennsylvania State Capitol in Harrisburg to celebrate a judge's ruling striking down Pennsylvania's ban on same-sex marriage. Matt Rourke, AP

Public opinion on marriage equality has completely flipped since the 1990s, faster than just about any other social change in the last century. So what happened?

Now, what could be just hours before the U.S. Supreme Court rules on the constitutionality of states’ same-sex marriage bans, here’s a look at how the conversation has changed in America over the past two decades.

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