Special Episode: Rabbeinu Tam Tefillin (Part II)

Once only Chassidim and Sefardim wore Rabbeinu Tam Tefillin, and Chabad Chassidim seldom wore them before age 18—a custom that the Rebbe overturned in 1966 with a landmark Sicha that called on every Jewish man from any background to begin wearing Rabbeinu Tam Tefillin starting from Bar Mitzvah. This two-part series explores the factors that contributed to this shift and its modern implications, through letters and Sichos. Part II: The Rebbe's 1966 Rabbeinu Tam Tefillin initiative; Responding to those who claim it is not their custom; Reb Moshe Feinstein joins the initiative