The New York Times is not the New York Post. The former has numerous guardrails (including the aforementioned Foreign Editors and NatSec screenings, the latter of which you ignored) to prevent a rogue journalist or editor from publishing a big story that could jeopardize the entire organization's government relations.
If someone had an inside source on deep background with evidence of an American cover-up? Hell yes they would. And if they wouldn't, the Journal would pay a premium.