Mark Esper fired as Pentagon chief after contradicting Trump

Donald Trump has fired his defence secretary, Mark Esper, in the latest sign that the transition to a new Biden administration in January is going to be turbulent on both domestic and foreign fronts. Esper was fired by tweet on Monday afternoon, with the president declaring he was “pleased to announce that Christopher C Miller, the highly respected director of the National Counterterrorism Center (unanimously confirmed by the Senate), will be…