Traditionally Chabad placed emphasis on intellectualizing “the rejoicing at the place of the water drawing.” Recently more attention has been given to dancing and singing — in the public domain. This increases the unity of the Jewish people. The nations of the world will also join us and assist us.
Tonight’s Ushpizin are Yitzchok Avinu and the Great Maggid, both of whom refrained from travel. We too must be careful not to “jump” from one religious responsibility to another without careful evaluation. The Rambam in today’s study section dealing with the Korban Pesach also instructs us not to “move” from one group eating the Passover Offering to another. 
Today we study the blessing given to Yosef. His blessings extended across the gamut from the highest to the lowest levels; Chassidus relates this, as well as other aspects of redemption, to Yosef and Yitzchok.