Learning on the Marcos and Adina Katz YUTorah site is sponsored today by Rhea and Leon Landau in memory of Selma Frost and by the Schulder, Gabe, Papilsky, Katz, Gewirtz and Richman Families in loving memory of their matriarch Margaret Gabor, Perel bat Shimshon Dovid on her 10th yahrzeit and for a refuah shleimah for Rabbi Lord Jonathan Sacks, Yaakov Tzvi ben Liba