President Donald Trump’s attacks on Federal Reserve Chair Jerome Powell are so commonplace at this point that they barely register in financial markets these days. The rapidly intensifying multi-pronged efforts by Trump’s advisers to amplify and expand on Trump’s attacks are a good reason to rethink that indifference.

The White House on Thursday launched a fresh attack on Federal Reserve Chair Jerome Powell, with a top Trump administration official saying Powell had "grossly mismanaged" the central bank, chastising him for running a deficit and for extensive cost overruns for building renovations.