From A to Z

We take our ABCs for granted, including the reason why the alphabet is in a certain order. But it was surprisingly not always obvious that ABCs were the best way to to order the world. This history spans centuries, and understanding why we place such importance on this (seemingly arbitrary) organizational system can explain a lot. Guest: Judith Flanders, writer, social historian, and author of "A Place for Everything: The Curious History of Alphabetical Order"