Today’s Daf Yomi pages, Pesachim 62 and 63, the rabbis riff on a very modern obsession: genealogy. Why are we so obsessed with learning more about our ancestors? A.J. Jacobs, best-selling author of It's All Relative, joins us to talk about why we care so much to know about our great-great-great-great grandma and what it means to realize that, really, we're all one big happy family. Can minding the family tree make you a kinder person? Listen and find out.