Barack Obama may have been under-qualified and under-experienced when he ran in 2008, but his election allowed the country to feel good about itself. Democrats should be having a cakewalk to 2020 by giving Trump voters a candidate they could feel good about voting for to signal an end to the Trump experiment. That’s not the election we seem to be getting. And the media aren’t helping.

Numerous outlets this week deceived themselves when they referred to Mr. Trump’s “racist tweets” as if their racist nature was an established...