This has been a very challenging case, requiring the Arbitrator to draw inferences, make findings, and pass judgments in a dense evidentiary setting that has featured squarely contradictory testimony about key events. None of this has been easy. All of it has required painstaking study, careful attention to evidence, and disciplined analysis. Given the conflicting testimony of the principal witnesses, it has been necessary in many instances for the Arbitrator to choose between mutually exclusive stories. This has compelled the Arbitrator to make judgments about credibility - not simply about the accuracy of testimony, but also, more painfully, about its honesty. ...