Today's Daf Yomi page, Rosh Hashanah 19, begins by discussing Tzom Gedalia, a day of mourning for a high-ranking Jewish official assassinated by a Jewish zealot. Rabbi Jeffrey Salkin joins us to argue that in these times of combustible politics and rampant division, we should double down on the lesson of Tzom Gedalia by instituting a day of fasting for the late slain Israeli Prime Minister Yitzak Rabin. Do we really need more modern-day Jewish commemorations? Listen and find out.