After decades of sustained land operations, the U.S. Marine Corps is looking back out to sea, embracing its roots as a naval expeditionary force.

Disaster preparedness is hard, expensive, time-consuming, and often thankless work. Failure to invest in it can be catastrophic, however.

Suing U.S. gun makers may be good law and politics, but that won’t fix Mexico’s police or courts and end its culture of impunity.