PHIL STEWART and IDREES ALI U.S. President Donald Trump has "terminated" Defense Secretary Mark Esper, appearing to use his final months in office after his election defeat to settle scores within his administration. Trump had split with Esper over a range of issues and was particularly angered by Esper's public opposition to Trump's threats to use active-duty military forces this summer to suppress street protests over racial injustice after police killed George Floyd in Minneapolis. Trump, on Twitter, said Christopher Miller, director of the National Counterterrorism Center, will become acting secretary of defense. The Senate would be highly unlikely to…