Donald Trump late on Tuesday night filed a reply brief to an appeals court defending his claim for presidential immunity, but one legal expert said the former president has “no new arguments.” Trump, who is responding to Special Counsel Jack Smith’s briefing in which the prosecutor challenged Trump’s key assertions, has continued to insist that he deserves immunity for his actions allegedly attempting to overturn the 2020 election. In fact, he has argued that it was his duty to “investigate” the supposedly rigged 2020 election. He filed the brief within a couple of hours of the deadline. POLL:…