Backgrounder: Experts say more should be done to reduce risk on both passenger and freight rail.

The White House is pressing for Senate ratification of the Law of the Sea treaty. Some worry it will endanger national security and harm U.S. industry.

The eurozone crisis has consequences far beyond the continent’s economic performance, such as the EU’s ability to forge coherent defense and foreign policy.

The transport of liquefied natural gas to the United States is expected to surge in the next two decades. The explosive power of such gas makes transport ships attractive terrorist targets. Security …