farmworkers

The U.S. agricultural industry depends on undocumented immigrants, but President Trump's immigration crackdown is further depleting an already tight workforce. The labor crisis may be setting the stage for big changes to a federal program that allows foreign workers into the country legally.

Thousands of schools, farmers and food pantries in the Midwest and Great Plains planned on federal dollars over the next year to support local food purchases. And then the U.S. Department of Agriculture cut the programs.

In a dimly-lit lab on the Des Moines, Iowa, public schools’ agricultural science campus, students in aprons, safety goggles and plastic gloves poke and…