How does Leonardo's theory of chance images, "accidental" inspiration, relate to clouds? In Cloud Conversations & Image Stories, Margaret A. Harrell weaves her own cloud photography into the art history of chance images, bringing in related drawings, scrying, and our relationship to Mother Nature. Regarding Robert Desnos' trance drawings, Andre Br?ton called the "tangled web of lines" a result of chance, but the figures that "appear suddenly from...