The U.S. Supreme Court’s ruling that presidents, including Donald Trump, have immunity from prosecution for “official” acts taken while in office will require U.S. District Judge Tanya Chutken, overseeing Special Counsel Jack Smith’s prosecution of the ex-president’s January 6 case, to determine which actions were official acts, and which were private. That could provide the Special Counsel with the opportunity to hold “a trial before the trial,” even if the trial will not be able to take place before the election. So says Tristan Snell, the former prosecutor who helped the State of New York w…