SNIPTrump and his merchant of chaos Elon Musk are pummeling federal agencies, targeting bureaucrats, clawing back spending approved by Congress, buckling the world order and busting trade pacts. SNIPOnce again, Trump is raising questions at a velocity that leaves other branches of government, his opponents and voters struggling to grasp what’s happening and unable to resist.SNIPMusk, wielding vast, mostly invisible power, working deep beneath the hood of the federal government, is especially problematic. He’s not elected or confirmed by Congress and seems accountable to nobody — perhaps not even Trump.And there are multiple and growing signs that institutions like the...