Javier Milei’s first trip outside Argentina, of which he is the new president, was to the grave of Menachem Schneerson, the late Lubavitcher Rebbe. Milei plans to convert to Judaism; Lubavitchers are a Hasidic sect, notable for their evangelism directed toward fellow Jews.

In 1992, I visited the Lubavitcher HQ in Crown Heights, Brooklyn. Schneerson was still alive then, though ailing. Here is what I learned.