Sister Mary Ignatius Explains It All For You by Christopher Durang moves to  Westside Theater. The Dining Room by A.R. Gurney moves to Astor Place Theater. Geniuses by Jonathan Reynolds moves to Douglas Fairbanks Theater. New works by Harry Kondoleon; Mark O'Donnell; Peter Parnell; Ronald Ribman; William Finn & Charles Rubin; and Stephen Sondheim & James Lapine.