In a series of posts to his Truth Social platform on Monday, former President Donald Trump appeared to suggest that he’ll be open to blackmail if the Supreme Court upholds lower court decisions that he does not have immunity from criminal prosecution for actions taken as president. Trump has argued the office of president means he can’t face criminal prosecution. It’s an effort to try to block charges filed against him by special counsel Jack Smith in the federal election conspiracy case, related to his efforts to overturn the 2020 presidential results culminating in the January 6 attack. Want…