Newark Airport Is Experiencing Major Flight Delays. What’s Causing Them?

Staffing shortages at an air traffic control center have added to the effects of a runway closure, prompting United Airlines to cut flights at the hub.

F.D.A. Scientists Are Reinstated at Agency Food Safety Labs

After 20 percent of the agency’s work force was cut, federal health officials have decided to bring back some experts and review firings to fill gaps in critical roles.

The ‘China Shock’ Offers a Lesson. It Isn’t the One Trump Has Learned.

Economists say the U.S. manufacturing decline in recent decades was not mainly about free trade, but about the pace of change without time to adjust.