The Socialist party… Without plssing them off too much.
Steering a course to the center and acting sane, if stupid, could win him the nomination. And as I have posted previously, be can always put a bomb throwing radical idiot like Kamal-toe on the ticket as his VP.
https://www.foxnews.com/politics/biden-says-aoc-and-allies-dont-represent-majority-pelosi-knows-what-shes-doing