Marriage equality and judicial unactivism

While searching for old polling data on the topic of marriage equality, I found Gallup's marriage page, and right below the data for same-sex marriage are the numbers for the question Do you approve or disapprove of marriage between blacks and whites?

Well, there's an obvious comparison to look at here, isn't there? (And being obvious, I'm not the first to think of it, either.)

Here's what that comparison looks like:

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