2016 Trump: make America great again 2016 Hillary: America is already great 2020 Democrats: Amerikkka has never been great What could possibly go wrong?
Nobody has seen Biden, though. His campaign staff have been fairly explicit about trying to keep him off-camera. Trump made an appeal to a positive policy vision - Biden has none, and "Democrats" are a way less fervent bloc, with the majority of their demo rarely voting at all.