When the Department of Justice inspector general released his report on Foreign Intelligence Surveillance Act abuse, coverage focused on the top-line findings contained in the executive summary. Then the news cycle whizzed by, leaving many details discussed throughout the 480-page tome unexplored. One significant gap in media coverage concerns the potential complicity of former FBI Director James Comey in the FISA abuse—a possibility the IG report hints at in several spots. The first suggestion that something was amiss with Comey’s conduct came early in Inspector General Michael Horowitz’s report, when the IG’s office spoke of the methodology underlying the FISA...