Wham-O returns to the USA (Daily Show).
A program in California makes Democrats conserve, and Repulicans anti-conserve (Slate summary, gated original paper here).
Tolerance lowers HIV rates (MR summary here, ungated research paper here).
Trade surplusses are not always good (FE explains how to shrink them).
Chickenomics of Health Care (Krugman)
The State of Macroeconomics (Economist)