A New York Times art critic, Holland Cotter, is also an expert on Israel. Oich mir a maven. A sardonic Yiddish phrase about experts. You can tell that Cotter is one because his review of an exhibit now at the Jewish Museum, "Dateline Israel: New Photography and Video Art," is full of indications that the presentation has not only disappointed him but plumb broken his heart. For example: "There is the cautious make-nice spirit of the show.