I understand what you are trying to say, but Byrd ended his association with the Klan in the 40s. But being a democrat, he was excused. If he was a Republican, he would never live it down. However, Trump had dinner with a racist in the last week. Kind of different. Trump put himself in harm’s way, so let him fix it.
Having one dinner is certainly less serious than being an active KKK member.
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I'm not sure I would characterize any of the people who had dinner with Trump as racists, antisemites might be a better term. Ye has probably had the same views for many years, but that didn't stop Obama from praising him, or Adidas and other corporations for sending him tens of millions of dollars from their mutual business deals. Ms. Kardashian married the guy, and had children with him.
Shouldn't those people and companies also be criticized for what they did? Or are only Republicans subject to criticism for interacting with people who have deplorable ideas?