This, according to author Paul Craig Roberts. In his urgent and compelling essay, he breaks the discovery down piece by piece. You'll want to follow the link below and read it yourself for the full effect of the logic in action. Here are a few of his key assertions:

The op-ed is a forgery. As a former senior official in a presidential administration, I can state with certainty that no senior official would express disagreement anonymously. Anonymous dissent has no credibility. Moreover, the dishonor of it undermines the character of the writer.

The New York Times’ claim to have vetted the writer lacks credibility, as the New York Times has consistently printed extreme accusations against Trump and against Vladimir Putin without supplying a bit of evidence. The New York Times has consistently misrepresented unsubstantiated allegations as proven fact. There is no reason whatsoever to believe the New York Times about anything.