Piketty
Science had a very interesting special section this spring: The Science of Inequality - basically doing a summary and review of issues related to the stuff in Piketty's book Capital in the Twenty-First Century
The section has a series of very interesting articles on a range of related topics:
"Inequality in the Long Run" by Piketty and Saez
"The ancient roots of the 1%" by Pringle
"Our Egalitarian Eden" by Pennisi
"Physicists say it's simple" by Cho
"Tax man's gloomy message: the rich will get richer" by Marshall
"A World of Difference" by Underwood
"Can Disparities by Deadly?" by…