Likutei Sichos Vol 5 pp189 ffWhy is Hashem’s name never mentioned in the Megilla? What is unusual about the miracle and celebration of Purim?Each one of these classes is self-contained and can be listened to individually.
Miketz The Tribes (37) Likutei Sichos – Vol 05 p 196 ff Miketz the end (RaShI) or the beginning (Even Ezra). The combined understanding of both defines the spirit of Miketz. The darkest moment is also the brightest.