Elon Musk’s push for transparency and fiscal responsibility has reshaped the debate over government spending, exposing inefficiency and forcing Congress to answer to the public. Move over, Trump Derangement Syndrome! It is time to make room for the latest pathology: Musk Derangement Syndrome. The hysteria has been building for some time. It wasn’t so long ago that Elon Musk enjoyed enviable street cred among the brotherhood of snotty, self-congratulating elites. A green energy guru, he made the hearts of the Sierra Club Sultans go pit-a-pat with his talk of “sustainable transport” and solar roofs. Then Musk made several missteps. The...