Migration resources: Lots of great stuff here!

20 Years of Global Migration—in One Chart

Geographers have used census data from 150 countries to map human traffic over time.

http://www.theatlantic.com/international/archive/2014/03/20-years-of-global-migration-in-one-chart/359793/

What Facebook Teaches Us About Global Migration Patterns
The social network's one blind spot? China.

http://www.theatlantic.com/international/archive/2013/12/what-facebook-teaches-us-about-global-migration-patterns/282470/

Sheriff Joe Arpaio:  The Dragon of Maricopa County
http://www.theatlantic.com/national/archive/2014/03/sheriff-joe-arpaio-the-most-lawless-lawman-in-america/359613/

Internal Migration:  The USA:

http://vizynary.com/2013/11/18/restless-america-state-to-state-migration-in-2012/

Reverse Migration:
http://www.theatlantic.com/international/archive/2013/12/what-facebook-teaches-us-about-global-migration-patterns/282470/