Corrections
When errors of fact occur, we correct them promptly and record every change here. Transparency about mistakes is not a weakness, it is evidence of a commitment to accuracy.
Found an error? Report a correction
An earlier version of this article stated that the Pentagon Papers study was commissioned in 1966. It was commissioned in 1967. The date has been corrected in the text.
The article originally described the Supreme Court vote as 7-2. The correct vote was 6-3. We regret the error.
An earlier version of this article referred to 'epistemic cowardice' as a phrase coined by Bernard Williams. The phrase appears in philosophical literature in various forms but is not attributable to Williams specifically. The attribution has been removed.