Who is sitting with whom at the Synod on Synodality, and what topics are they discussing, exactly? The managers of the assembly, which runs through Oct. 29, refuse to say, leaving outsiders in the dark about how the gathering’s small discussion groups are operating. The synod’s 364 delegates are divided into 35 groups, which meet at round tables set up inside the Vatican’s Paul VI Hall next to St. Peter’s Square. The delegates are assigned to groups on the basis of language as well as their stated interest in different topics.