While shooting the documentary (airing on Epix May 18, 24, 29, as well as Epix On Demand), Ms. Couric met plenty of paranoid gun nuts (my characterization, not hers), so I asked her for tips on interviewing people one vehemently disagrees with. “I really appreciate the opportunity to give people a forum to kind of explain themselves,” she said, flashing her ready-for-primetime smile. “I’m endlessly fascinated by what makes people tick. I think I would probably make a pretty good therapist.”