With the shock of the swift and sudden cancellation by ABC of its highest-rated series Roseanne — after the series’ co-creator, star and executive producer Roseanne Barr’s racist tweets — finally starting to subside, a question emerges: What’s next? I hear executive producers Tom Werner and Sara Gilbert, the main driving force behind the revival, are expected to meet with some of the series’ writers, led by executive producer/showrunner Bruce Helford, in a few days — after the raw emotions from the abrupt cancellation have cooled off — to kick around possible ideas for continuing the show without Barr. The...