The fog rolled. The plot thickened. And the Actors’ Shakespeare Project(ASP) commanded a special twilight performance of “Macbeth” on Sunday amid the trees at Harvard University’s Arnold Arboretum. More than 1,000 people were in attendance as Frederick Law Olmsted’s landscape design and Fujiko Nakaya’s climate-responsive fog sculpture set the stage for the 400-year-old tragedy by William Shakespeare—full story in the Harvard Gazette.