John Bolton – threatening to blow up the impeachment trial

 
John Bolton’s book disclosure that the president tied military aid to Ukraine to investigations of Democrats, undercutting Trump’s denial defence, has been described as a “bombshell with political shrapnel going in all directions.” Before it was leaked, the Senate impeachment trial was speeding to an acquittal. Now Trump lawyers and Senate Republicans are preparing for the possibility that witnesses will be summoned — dragging out the trial for days or weeks