Samuel Beckett’s Waiting for Godot, a play in which two men sit around and wait for someone who never shows up, has been claimed by just about everyone: Freudians, Christians, existentialists.Who’s right? I haven’t a clue.But I have lived, all of us have lived, through a similar tragicomedy (a word Beckett added to the subtitle for the English version of his play). We’ve been waiting for Mueller. And waiting.For some, the waiting is the hardest part. But by historic standards, Special Counsel Robert Mueller has been working at a blistering pace. Kenneth Starr’s investigation into the Whitewater scandal wasn’t fully closed down until 2001. It started in 1994. The average running time for special investigations is 904 days. Tuesday marked the 650th day since Mueller was appointed.Most independent counsels take a year to file their first criminal charges, if they file any at all. Mueller hit that milestone a little more than five months in, and he has racked up more than 30 other indictme...