"Geography is a science that forms entities" - is it time to re-shape the states?
This study is from last year and looks at the analysis of 4,000,000 commuter flows across the 48 lower states and the data suggests "The detection of recognizable communities through this computational analysis suggests that human geography does in fact display statistically-significant patterns of structured regionalization, and that this regionalization matches interpretive descriptions of “megaregions.” Such empirical analyses provide a scaffolding on which policymakers can evaluate the appropriate territorial shape and size of districts ranging from regional transit zones to electoral constituencies.