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France — a place I deeply admire — embraces centrality.

It is easy to overlook the centrality of land to the way that societies work, even after a large portion of their populations move to cities.

The centrality of Trump to US foreign policy has also become apparent this week.

That Trump chose the gulf region as his first destination, commentators say, reflects the Mideast’s growing centrality to the U.S. in terms of political and security partners.

There’s no better way to understand the centrality of mobility to the American Dream than to trace the ways in which we’ve denied it to disfavored groups over time.