LOOKING BACK • The Workshop in Human Relations of St. Louis University was dancing the Hora at the JCCA.  In addition to Israeli dancing, the group also sang Hebrew and Yiddish songs under the director of Mrs. Norman Stack.  William Kahn, executive director of the JCCA, spoke on the philosophy, purposes and policies of the JCCA and Rabbi Arnold Asher presented the principles of Judaism to the group.  Norman Stack, executive director of the Jewish Community Relations Council, is a member of the Workshop staff.