After they've blown up Stone Mountain with dynamite.
I was talking to my 18 year old niece today and pointed out that this hatred for the confederate battle flag is all new. It was fine for some 160 odd years and only became an issue when some on the left decided to use it as a political weapon.
Her boyfriend is mixed race and he was there today and seemed to be getting along just fine like he does every other time he is at one of our family events.