Bava Batra 35b-36a Presidents and Kings - ריש גלותא לא מחזקי בהו

Matmonim: Daf Yomi by Rabbi David Lapin - A podcast by Rabbi David Lapin

Even the most powerful authorities today do not have the level of power that kings had in the old days. The Reis Galuta, heads of the Jewish Communities of Babylon, had royal power.Source Sheet