The ostensible high priests of journalism should be able to detect the difference between passable coverage and epic, historic failure. Letter to Bill Grueskin, former Dean of the Columbia Journalism School, on his recent article in the Columbia Journalism Review.Mr. Grueskin, Regarding your August 1 article, “Knowing: Still Only Half the Battle,” which lauds Charlie Savage of the New York Times for having “dissected and eviscerated” Director of Intelligence Tulsi Gabbard’s claims about corruption of intelligence in the Trump-Russia investigation: You praised Savage’s article, “New Reports on Russian Interference Don’t Show What Trump Says They Do,” as an example of...