In his latest book, globalization scholar Parag Khanna looks at how and why our lives may become a lot more mobile in the decades to come.
To cross the border into Croatia, or "go the game," they often need to rely on others to get cash. That help comes at a price.
A deal credited with cutting refugee flow into Europe is in peril.
Some worry — others hope — improving ties with US may change special privileges.
EU officials hold that Turkey must meet the same requirements for visa-free travel as other countries.
Despite prevailing stereotypes, it's a diverse group economically.