Sean Reardon has released the report, "More Unequal and More Separate: Growth in the Residential Segregation of Families by Income, 1970-2009." Reardon says the growing divide between rich and poor in the U.S. poses serious consequences for schools, politics, and the economy.

U.S. Income Inequality to Radicalize Politics (Reuters Video)

Trickle Up Economics (MSNBC: The Ed Show)

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