Cargo thieves are plundering America blind — Congress must act

As Americans gear up for fireworks and barbecues today, another group is making plans of a different kind: cargo thieves.

Every year, the days are Independence Day see a notable spike in criminal networks seizing shipments of everything from televisions to energy drinks to vital medical supplies, exploiting the disruptions and reduced oversight that come with the holiday rush.

It’s all part of a growing cargo theft epidemic. Once a sporadic nuisance, it has metastasized into...