The prosecution of alleged terrorists in U.S. civilian criminal courts and in new military tribunals has been fraught with controversy. U.S. federal courts have gradually asserted their role in the m…

This publication is now archived. What is a “dirty bomb”?A “dirty bomb,” also known as a radiological weapon or a readiological dispersal device (RDD), is a conventional explosive packaged with radio…

The Department of Homeland Security has changed the way it awards funds to cities. The question now is whether the new program will make America’s cities safer.

This publication is now archived. What is the plan for the June 30 transfer of sovereignty to Iraq?It’s a work-in-progress. The date won’t change, U.S. and U.N. officials say, but much else remains u…

The economic climate and border security concerns have fueled the immigration debate in the U.S. congressional elections. This Backgrounder examines races where immigration is playing a role and the …