That examination led to an article titled "Torture narrative trumps facts at PolitiFact" and its conclusion:
We don’t have the evidence to know whether waterboarding works. PolitiFact had no business issuing “True” and “False” ratings of statements it cannot verify as true or false. At least not while pretending to serve as a neutral fact checker.See the article at Zebra Fact Check for a detailed examination of PolitiFact's evidences.
Bias serves as the best explanation for PolitiFact’s treating the two claims according to different standards and justifying its ratings fallaciously.
Find some of my older writing on waterboarding here.