Editorial: Pardoning Manafort would be unambiguous grounds for impeachment. Take it off the table, Mr. President
President Trump has attacked special counsel Robert S. Mueller III and the investigation into Russian election meddling so often and so disgracefully that it can be difficult to sustain a sense of outrage. But Trump's statement on Wednesday that a presidential pardon for his former campaign chairman Paul Manafort is "not off the table" is an alarming escalation in his efforts to undermine that probe and, more generally, the rule of law.
For months, Trump has denounced the investigation as
