Jeffrey Goldberg tweets:
Apparently, he doesn't know very many conservatives.
Gallup:
Do you approve or disapprove of marriage between blacks and whites? % approve
Gallup polled the same question
this year, and while they didn't break down the results by party and ideology as they did in 2011, the topline support for interracial marriage increased by just one point, thus no big shifts in the last two years.
So to recap, not every conservative Republican opposes interracial marriage. But if you oppose interracial marriage, odds are you are a conservative Republican. Or Richard Cohen.