The Talmud records a bizarre argument between the High Priest and the Chief Rabbis.
For generations, readers have been puzzled: Is that behavior befitting the most distinguished members of the Jewish people?
In 1986, the Rebbe explained it's deeper meaning.
In the Second Temple era, tensions between the Sadducees and the Pharisees would come to a head when the leading rabbis would coach the High Priest for his worship on Yom Kippur.
They would all leave in tears. What exactly was going on?