Weigel used JournoList for exactly the purpose its critics suspected it would be used, i.e., to attempt to shape media coverage for the benefit of the Left. And he did it more than once. . . . Weigel was explcitly urging his fellow J-Listers to engage in what Weigel’s buddies and fellow travelers like to call ‘epistemic closure,’ to operate as a closed media ecosystem that excludes competing political narratives.