Donald Trump's co-president, Elon Musk, admitted on Wednesday that he probably can't cut $2 trillion from the federal budget as he had promised, running into the political reality everyone told him existed but that he refused to accept because he’s a billionaire who thinks he knows better than everyone else.
In an interview with Mark Penn, the contemptible political strategist who once backed Democrats but now has become a Trump defender, Musk said that his toothless Department of Government...