Former President Donald Trump is now aiming to use the Supreme Court’s recent immunity decision to justify tossing his classified documents case in the Southern District of Florida. But at least one legal expert isn’t sure his gambit will succeed. According to the 6-3 decision in Trump v. United States, a president is afforded absolute broad immunity from criminal prosecution, so long as any possible violation of laws is done as an “official act.” Trump’s attorneys may now attempt to have the Mar-a-Lago case thrown out by claiming that the former president’s decision to store classified docume…