Today’s Daf Yomi pages, Eruvin 33 and 34, begin by asking what sounds like the Jewish version of Schrodinger's Cat: If you put the food you need for an eruv in a closet, lock it up, and then lose the key, is the eruv still valid? Rabba Shani Gross joins us to unlock this complicated question, and explain why it just may be the most pressing conundrum of our time. How's that locked closet a metaphor for Covid-era lockdowns, and what can we learn from it? Listen and find out.