Interviews with Daniel Buren, a pioneer of in situ painting, and British artist Tacita Dean. Portraits of L.A.-based Richard Hawkins and Vienna-based sculptor Lone Haugaard Madsen. Isabelle Graw writes about the art industry’s new order and Sean Landers presents artists who have influenced him. We visit the Venice Biennale, “Time/Food” in New York, and the “Museum of Desires” in Vienna.