Grain and livestock products are the primary delivery sources for dietary calories, yet the accompaniment of a salad provides additional micronutrients and fiber in a low-impact package. Essential to the salad has been lettuce, a plant that is 95 percent water, and has traditionally been a low-cost addition, until now. According to USDA’s National Agricultural Statistics Service, the cost of lettuce jumped 150 percent from September to October and jumped even higher in November. The production of iceberg lettuce fell 8.6 percent in 2021 from 2020, while leaf lettuce dropped 20.1 percent and romaine was down 10.1 percent. There is another falloff in 2022. The problem has been a one-two punch by two pests afflicting the Salinas Valley o...