The late Lubavitcher Rebbe Menachem Mendel Schneerson zt"l had no successor as the rebbe of Chabad-Lubavitch. Why is this? Was it simply because he had no children? If so, why was nobody else ...
There is a famous Hasidic rabbi who has no facial hair, and I seem to recall that there is a famous story as to why. But I can remember neither which rabbi (or of which sect), nor the story. I do not ...