Earlier quoted context omitted.
Slavery was also historically legal but isn't any longer. I don't get what interracial marriage being illegal once upon a time has to do with anything.
interracial marriage was illegal in many states up until the late 60's -hardly once upon a time- and i might add that republicans are known recently to say they are after interracial marriage as well [1] [1] https://talkingpointsmemo.com/news/braun-supreme-court-inter...
Stop acting like there's some mainstream Republican movement to ban gay and interracial marriage, it's obviously not true when you have to sensationalize the titles of your own linked articles.
Edit:
And it's not even "they" want it to be left to the states. It's a single individual who even mentioned anything about it, and even they "backpeddled" (i.e clarified what they said after the media twisted their words for sensationalism).