Expert Eye: Harry Cooper

Art-historical references abound at Art Basel in Miami Beachif you know where to look. When we took a tour of the fair with Harry Cooper, the head of the department of Modern art at the National Gallery of Art in Washington, DC, history seemed to be his guide as he selected some of his favourite works on show. Cooper had the chance to present a more comprehensive narrative of 20th- and 21st-century art with the opening of the National Gallerys expanded East Building this autumn. You have to see