Donald Trump has been indicted on felony charges of mishandling classified documents at his Florida estate, a remarkable development that makes him the first former president in U.S. history to face criminal charges by the federal government that he once oversaw.The Justice Department was expected to make public an indictment ahead of a historic court appearance next week in the midst of a 2024 presidential campaign punctuated by criminal prosecutions in multiple states. Trump’s indictment carries unmistakably grave …