Rich Lowry: The wayward special counsel

In the end, by-the-book Robert Mueller departed wildly from the book.He invented an extraconstitutional legal standard for his obstruction investigation and acted, at best, in violation of the spirit of the special-counsel regulations.His departing act was a public statement meant to influence the public debate in a manner inappropriate for a prosecutor, in part because the long public report he wrote that was also inappropriate for a prosecutor lacked clarity.A hallmark of the Trump era is that