Rabbi Dovid Bashevkin, NCSY’s director of education, is the scholar-in-residence at Congregation Beth Aaron. On Shabbat morning after the main minyan, he will discuss “The chasidic Revolution Against the Grand chasidic Rebbe: The Story and Relevance of Polish chasidut.” At 6:45 p.m., he will discuss “Right vs. Left: A Jewish Approach to Our Economic and Political Cycles,” and after Mincha at 7:45, he will tackle “Rabbi’s Son Syndrome: Why Religion Makes Some Leave Religion.” 950 Queen Anne Road. (201) 836-6210.