Genesis Unveiled # 4 on Parshat Vayera in 20 Minutes: Abraham’s Tent with Rabbi Jonathan Feldman on Jewish Matters Podcast

The parsha begins with Abraham and Sarah’s legendary hospitality, which is compared and contrasted with Lot, her brother.  The differences in how he extends his hospitality and in the birth of his children are striking, for these ethical acts become warped in Lot’s family.  The parsha ends with one of the most enigmatic and yet heroic stories in the Torah, the binding of Isaac.