Details of the Previous Rebbe’s Bar Mitzvah; The Gartel; Four Pairs of Tefillin; Details of the Rebbe Rashab’s younger years; The davening of the Rebbe Rashab

One would have thought that on the day of a Bar Mitzvah — when a boy becomes obligated to keep the mitzvos like a grown-up — the day he is considered a man and he becomes a fully-fledged member of klal Yisrael — that tachanun should not be recited…