Demographic, economic, and political forces have placed unprecedented demands on Medicare that cannot be met without major program reform. Policies are needed to change the fundamental incentives that drive provider and patient behavior in Medicare--and ultimately the entire health sector.

Medicare is a social insurance program that has the unfortunate characteristics to be expected from any centrally controlled provision of services. We do indeed have a system-wide problem, but if we expect to solve it we have to start with Medicare.

In The Sixth Crisis, Dana Allin and Steven Simon argue that Tehran's nuclear drive--and the possibility of a preemptive Israeli strike--constitutes a crisis as momentous as any of these.

The evolving narrative of the events of 2008 represents a similar error in our understanding. The current metaphor seems to be that the global economy was hit by a "perfect storm" of disruptive forces late in 2008.

Although it creates only a slight reduction in the amount of solar energy absorbed by the Earth, solar radiation management should be a part of U.S. climate policy.

Student achievement data is not enough. Here are six measurements needed to assess school performance.

Wednesday and Thursday mark Egypt’s first post-Mubarak presidential elections. Sadly, what should be a purple-fingered moment brings some hope and much disappointment. Don’t get me wrong – Mubarak was a loathsome stooge, a petty and incompetent rentier tyrant who deserved what he got and more.

Successful organizations, public and private, monitor their operations--extensively and intensively.