If Vietnam is to lure them back from places such as America, it may be forced to adopt more open ways of doing things.

ECONOMIST: Hanoi Bill

But as the charter movement expands, and more middle-class parents become disenchanted with local public schools, charter operators have pushed to open schools in middle-income and suburban communities, triggering battles in such places as New Jersey and New York similar to that seen in Nashville.

WSJ: Segregation Fear Sinks Charter School

As Chipotle expands to more places, it is increasingly looking beyond large metropolitan cities to open its next set of restaurants.

FORBES: Rising Food And Expansion Costs Could Weigh On Chipotle's Earnings