On Monday, jury selection is scheduled to begin in the long-delayed trial of the suspect, accused of dozens of charges including hate crimes resulting in death. The three congregations are wary of what’s to come. Some members may be called to testify, and they’re bracing for graphic evidence and testimony that could revive the traumas of the attack on Oct. 27, 2018 — often referred to around here as simply 10/27. The tension can be felt in private conversations and encounters — the griefs, the anxieties, the feelings of being in a media fishbowl. But each in their own ways,...