Steve Kornacki tweeted two 1970s polls showing how unpopular busing was in Delaware then

[BeyondGeography]

8. Apparently he has a habit of not listening to them

https://www.washingtonpost.com/politics/biden-faces-backlash-over-comments-about-the-civility-of-his-past-work-with-racist-senators/2019/06/19/c0375d2a-92a8-11e9-b58a-a6a9afaa0e3e_story.html?utm_term=.20b4577382e2

As seemingly random as it was for Biden to reference Sen. James O. Eastland, a long-ago deceased segregationist senator from his own party, some in Biden’s campaign had heard him discuss this relationship before — and warned him against mentioning it in public. Eastland, who represented Mississippi in the Senate from the early 1940s to 1978, often said that African Americans were “an inferior race.”

Aides said they had urged Biden to find a less toxic example.

“It might move him to pick a different senator,” said one adviser, speaking on the condition of anonymity to discuss internal deliberations. “But he’s not someone you can go to and just say, ‘You’ve been doing this x number of years and you can’t do this anymore.’?”