Commentary John Durham, the man chosen as special counsel by former Attorney General William Barr to unearth possible malfeasance before and during the Trump–Russia investigation, is a sly fox, in the best sense. Just when people, including Donald J. Trump, have written him off, complaining he wasn’t doing anything, that it was a sham investigation, he quietly dumps information that creates a political earthquake. That those known Trump–Russia liars The New York Times and The Washington Post have, as of this writing—and it’s been a few days—not even dared to report Durham’s latest is a sure sign that it’s indeed a serious quake, with potential aftershocks to come. But before I go further, I would like to call attention to the principle of jurisprudence “Falsus in uno, falsus in omnibus” (False in one thing, false in all). Although written in Latin, it is English common law from the early 17th …