Donald Trump once again is threatening to jail his political opponents, including President Joe Biden. And unlike his 2016 presidential debate remark to Hillary Clinton, this time there’s an actual plan in place to do just that. In addition to saying, “lock her up,” Trump has a history of repeatedly threatening or calling for Clinton to be thrown in prison. One month before the 2016 election Trump told a Florida crowd, “she has to go to jail.” That was just days after the second presidential debate, when Trump told Clinton she would “be in jail” if he were president. Trump has been strongly fo…