Original sentence: "  The topic usually is related to the subject matter of the weekly Torah portion.(For example, Rabbi Bleich discussed the seven Noachide Laws on the Shabbat in 2005 when Genesis chapter 34, the story of Dinah's abduction and rescue, was read.(His official position is called the "Herbert and Florence Tenzer Chair in Jewish Law and Ethics.)  Rabbi Bleich distributes photocopied source sheets, including excerpts from the Talmud, medieval commentators on the Bible and Talmud, medieval and modern responsa, and some modern English-language scientists, philosophers, and news reporters.He teaches two hour-long Talmud classes on Saturday (Shabbos), before the morning service (Shacharit) and afternoon service (Mincha).In the upkeep of the synagogue (and his other endeavors), Rabbi Bleich is complemented by his wife, Dr.Judy Bleich, who is a professor of Jewish history at Touro College in Manhattan.Medieval commentators have discussed whether the actions of Shimon and Levi, and the people of Shekhem, were consistent with the Noachide laws.These interdisciplinary Torah lectures, sweeping across a wide historical range of ideas, provide a rare opportunity for Torah students and reflect the brilliance of Rabbi Bleich's mind
Edited sentence: He teaches two Talmud classes on Saturday (Shabbos)