Lauren Laverne presents from the Glasgow School of Art, which is celebrating the centenary of the opening of its remarkable home. Matt Collings is in the Van Gogh Museum in Amsterdam, which is showcasing 120 letters and over 300 paintings, drawings and sketches by Van Gogh and other artists. Andrew Graham-Dixon reviews The Sacred Made Real exhibition. Plus there's an interview with Harold Evans, whose new autobiography My Paper Chase: True Stories of Vanished Times is just out.