Former President Donald Trump has argued he should be immune from prosecution in the federal election conspiracy case brought by special counsel Jack Smith, claiming that he cannot be charged for actions carried out in his official capacity. His attorney even controversially argued to the Court of Appeals for the D.C. Circuit that he couldn’t be charged for assassinating an opponent unless he was impeached first. But that was not his old attitude, noted the watchdog group Citizens for Responsibility and Ethics in Washington (CREW) on Tuesday. In fact, they said, he used to regularly call for o…