We had the privilege and the honor to host in our institutions the Rishon Letsion, Rav Itshak Yossef Shlita!
He gave a shiur to the avrehims in the big Beth Hamidrash Torat Shimon Michael.
You can see the shiur by clickink on the link below
https://www.youtube.com/watch?v=Jf5-IqgLxF8