There can be no argument that Christoph Niemann takes chances every time he puts pen or brush to paper (or Legos, for that matter). His recent limited edition book of ink and watercolor drawings and paintings, “Hopes and Dreams“, the catalog of an exhibition of the same name, derives from a trip to Los Angeles, ostensibly to meet David Hockney. “From the first time I saw hockney’s pool paintings and pencil portraits,” Niemann writes in a brush scrawl, “I’ve been hooked. Beyon