Jennie Punter Known as a producer of award-winning Canadian documentary and narrative films, a showrunner and, more recently, as the cofounder of Canada’s newly minted Black Screen Office, Jennifer Holness is chatting up her feature-doc directorial debut, “Subjects of Desire,” this week at Hot Docs where it screens in Special Presentations.In an interview with Variety before her industry conference Masterclass (now available on-demand to festival attendees), Holness confirmed that negotiations