Sen. Ron Johnson ludicrously suggested Covid vaccines were “experimental gene therapy” that killed millions of Americans. For Trump’s GOP, “someone has to be blamed for what went wrong in the pandemic, and it can’t be the party’s god-king.” Fauci and other health officials did make mistakes, said Megan McArdle in The Washington Post. As an alternative to Fauci and science, said Nick Catoggio in The Dispatch, Trump and his populist allies are offering “witch-doctor lunatics.” Rather than a serious effort to explore “what went wrong with Covid,” Republicans are giving us crackpot conspiracy theories, quack miracle cures like ivermectin, and pseudo-experts “with brains worms.