It was Lee Atwater's campaign for HW that nailed it down in public - the conversion of the Republican Party to a fascist political organ. One could, until then, keep some semblance of plausibility while contending that the Republican Party was "conservative", "fiscally responsible", whatever - that Supply Side and Dog Whistle Reagan was an aberration or personality driven one-off. After this "https://en.wikipedia.org/wiki/Willie_Horton the cat was out of the bag. That was what the best and brightest campaign pros, the people who knew what they were talking about, thought would appeal to the voting base of the Republican Party in the most "liberal" regions of the US. In 1988. And they were right. There will be dignified eulogies, if Trump doesn't hog all the press. But HW's legacy is land war in Asia Minor, the crippling of the US via what he himself described as "Voodoo economics", and the racial ugliness of Trump's America. That, and having the US President publicly humiliated by foreign heads of State - becoming a Republican Party tradition: https://en.wikipedia.org/wiki/George_H._W._Bush_vomiting_incident Meanwhile, the political legacy of interest here is probably Barbara "Ma" Bush's.