This week I’m shattering preconceived notions that Indigenous Americans north of Mexico didn’t build cities. That they organized, instead, into only small, nomadic villages. Because, for around 800 years there was a great city, the largest pre-Colombian city north of Mexico, a city that, if you were to have visited in the year 1200, is theorized to have been larger than both London and Paris at that same time. In fact, it held the record for largest city in the now United States for almost 70...