Deflategate is 500 days old and we still don't know if it happened.
Real doubt exists at the most basic and existential level imaginable. Did anything unnatural happen to footballs used in the 2014 AFC Championship Game? The NFL, backed by a multimillion dollar third-party report, believes it did. Science, reason and innate skepticism diminishes the certainty of its answer.
Yes, 500 days have passed -- enough time for Earth to travel 800 million miles through space -- since the NFL began investigating why some of those footballs tested below permissible inflation limits during a halftime check.