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Moral Licensing

University of Toronto behavioral marketing professor Nina Mazar showed in a recent study that people who bought green products were more likely to cheat and steal than those who bought conventional products. One of Mazar's experiments invited participants to shop either at online stores that carry mainly green products or mainly conventional products. Then they played a game that allowed them to cheat to make more money. The shoppers from the green store were more dishonest than those at the conventional store, which brought them higher earnings in the game.

Medicaid Kills

Now comes word, via a large study by the University of Virginia (h/t Joseph Colletti), that surgical patients on Medicaid are 13% more likely to die than those with no insurance at all, and 97% more likely to die than those with private insurance.

The Virginia group evaluated 893,658 major surgical operations from the Nationwide Inpatient Sample database from 2003 to 2007. They divided the patients up by the type of insurance—private insurance, Medicare, Medicaid, and uninsured—and adjusted the database in order to control for age, gender, income, geographic region, operation, and comorbid conditions (having 2 or more diseases simultaneously). That way, they could correct for the obvious differences in the patient populations (for example, older and poorer patients being more likely to have ill health). 

How the Terrorists Won 

The September 11, 2001, attacks have led to an intelligence community so large and unwieldy that it's unmanageable and inefficient -- and no one knows how much it costs, according to a two-year investigation by the Washington Post.

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The Post article that appeared in Monday's edition says its investigation uncovered "a Top Secret America hidden from public view and lacking in thorough oversight. After nine years of unprecedented spending and growth, the result is that the system put in place to keep the United States safe is so massive that its effectiveness is impossible to determine."