There is something powerfully cathartic about art created out of trauma, especially when that art reminds us that we aren’t alone in our pain. In Plays for the Plague Year, which opened last night at The Public Theater’s Joe’s Pub, Suzan-Lori Parks reminds her audience that pain shared is halved, but joy shared is doubled. Parks created the piece from March 2020 to April 2021 while the country was in lockdown. Much as she did with 365 Days/365 Plays, Parks wrote one short play (and some songs) for each day, documenting the fear, anger and helplessness that dominated the national discourse