Well, given the fate of Clinton and Harris, it might be safe to say Biden got lucky using the tactic. Luntz is widely respected as a political pollster. He sai

Well, given the fate of Clinton and Harris, it might be safe to say Biden got lucky using the tactic. Luntz is widely respected as a political pollster. He said, the focus groups he worked with showed she lost momentum when the name-calling started. Is that why she lost? No, there were plenty of reasons. But if Luntz said that didnt' help then there's no reason to think otherwise.