R. Aharon Lichtenstein reminds and exhorts us to respond , but not to offer theodicy-based explanations for the Holocaust: link
R. Tamir Granot explores various hashkafic perspectives on anti-Semitism and the Holocaust: link
R. Hershel Schachter discusses how a Torah observant Jew should approach the Holocaust: link (audio)
Insights into Tumah and Taharah
R. Ezra Bick provides an overview of Tumaah and Taharah: link
R. Aharon Lichtenstein explains how the Halachos of Tumaah and Taharah differ from the magical and scientific approaches to purity and impurity: link
R. Michael Rosensweig illustrates how the Halachos of Tzaraas are rehabilitative in nature: link
R. Yonasan Sacks explores the relationship between the Halachos of a Metzorah and an Avel: link
R. Dovid Horwitz, based upon the teachings of R Chaim Shmuelevitz, ZTL explores the connection between a poor man, a leper, a blind person and a childless person as stated in Nedarim 64b: link
R. Yitzchak Etshalom explores the sequencing of the Halachos in both Parshiyos and their relationship to contemporary Jewish issues revolving around Jewish statehood: link
R. Berel Wein suggests that Tumaah and Taharah are concepts that have much significance to contemporary society and mores: link
R. Yissocher Frand, based upon the Tefilah of Rav mentioned in Brachos 16b-17a, as explained by R Nisson Alpert, z"l, explains why the efficacy of our Tefilos is dependent on clean speech: link
R. Baruch Simon explores the hashkafic implications of why a spread of Tzoraas is Tahor: link (audio)
Bris Milah
R. Jonathan Sacks explains why Bris Milah is the sign of the covenant: link
The Sacrifices of a Mother After Childbirth
R. Issac Bernstein z"l and R. Shlomo Riskin explains why a mother offers a Korban Olah and a Korban Chataas, but not a Korban Todah: link 1,
R. Asher Brander delves into the question why Tummas Leidah is doubled from seven days to 14 following the birth of a daughter: link
Halachic and Hashkafic Aspects of Lashon Hara
R. Dovid Gottlieb discusses Halachic and Hashkafic aspects of Lashon Hara: link (audio)
Last year’s roundups: Tazria, Metzora