* New study highlights the benefits of Medicaid.
* How two foreign papers view the decline of American optimism.
* Republicans target an online product-safety database. But why?
* Trying to codify how much 'spillover violence' from Mexico is crossing the border.
* "The final nail in the supply side coffin."
* Which states are most affected by the rise in obesity nationwide?
* How politics in Virginia spell big trouble for a key fish species.
* Scientists and doctors transplant an articifial wind pipe coated in stem cells.
* Good article on the culture of fan fiction.