JL;DR SUMMARY Yair Ettinger, a journalist and researcher, co-authored a book titled "A Flock With No Shepherd: Shas Leadership The Day After Rabbi Ovadia Yosef" with Nissim Leon, examining the post-Rabbi Ovadia Yosef era of the Shas movement. A way out west there was a fella, fella I want to tell you about, fella by the name of Jeff Lebowski.