After the opening of the critically acclaimed Broadway musical “Suffs” at the National Theatre in D.C. last week, cast members visited a Northern Virginia location that resonated with everyone tied to the show. Gwynne Wood, who is originally from Waynesboro, Virginia, plays Lucy Burns in the Tony-winning musical. Wood took part in the Learning at Lunch Series at the Workhouse Arts Center in Lorton Thursday. They and understudy Gretchen Shope ans…