Think of an artist locked up in the studio, trembling before a blank canvas, paintbrush in hand, ideas and potential visions swirling in the imagination. Now, think of an artist amidst a heap of materials — magazine clippings and unfinished artworks, scraps of junk and found photos. There is no empty canvas, no distinct point of origin — only radical potential, endless inspiration, shifting possibilities. The art of collage is not just about cutting and pasting. For collage artists, the reigning motif of the singular genius creating beauty from nothing has been replaced by an endless sea of images and influences, hungry to be snatched up, transformed, remixed and spit out.…