The first president was also the wealthiest: 24/7 Wall Street
                                
                                
                                    (Newser) -
                                    It's not clear what Donald Trump's net worth is, but low estimates have it at about $3 billion, per  24/7 Wall St . If accurate, he would become the richest president in history by far. Still, Hillary Clinton's net worth of $75 million (with husband Bill) would put...