Last week, in a moment of spontaneous joy and exuberance, the board of the Kennedy Center in Washington votedon a change to the building’s name. Oneallegedly unanimous decision later, the Donald J. Trump and John F. Kennedy Center for the Performing Arts was born. The Center’s administrators, showing remarkable foresight, were ready to put the decision into action immediately: barely 24 hours later, workers were already busyadding Trump’s name to the building’s façade.