REVIEW: The Humans (Laura Kennelly).  Holiday dinners should come with trigger warnings, at least according to Stephen Karam’s The Humans, the latest in the Broadway Series currently at Playhouse Square. In an intense, well-crafted (and compressed) drama centered on a Thanksgiving family reunion, the Blake family goes from “Happy to see  you” to “What has happened to us? What have we done?”  For the rest see Cool Cleveland