This Shiur explains the significance of why we fast to commemorate the passing of Ezra Hasofer on Tes Teives, and how this ties into the fast of Asarah Bi'Teives as one of the root causes of the destruction of the Beis Hamikdash. We discuss the context of why Klal Yisrael didn't return from Galus with Ezra and the ramifications of that.