Corey Williams, staff writer, Detroit; Mike Schneider, staff writer, Orlando, Florida; Angeliki Kastanis, data reporter, Los Angeles; and Mike Householder, video journalist, Detroit, revealed that Detroit would be by far the toughest city to count, based on AP’s exclusive data analysis of the difficulties facing the U.S. Census Bureau in 2020. The team’s multiformat package explained why the city in transition poses such a formidable challenge.