Not quite singularly Absurd
Ayckbourn's characters share a cup of Christmas cheer in Absurd Person Singular. Photo: A.R. Sinclair.I'm a bit surprised by the positive reviews for the Nora Theatre's Absurd Person Singular (through August 25 at the Central Square Theatre). But perhaps the production only disappointed because it comes close on the heels of the crackling Trinity Rep rendition from a year or two ago. If you hadn't seen that, the…