Though encompassing nearly one hundred works on canvas and paper, “Sam Szafran: Obsessions of a Painter” did not offer a full-scale retrospective of its subject. Instead, the exhibition provided a deep look into two of the artist’s key themes: interior spaces and luxuriant foliage, often in a garden or greenhouse, where the distinction between inside and outside becomes moot. More than just covering different subject matter or, as the exhibition subtitle would have it, following different obsessions, these two bodies of work could almost be by different artists. And yet they come from the same