Farmworkers and children are most at risk.Congressional members and activists call for congressional action on banning pesticides in Washington, D.C. on July 25, 2017. CREDIT: Esther Yu Hsi Lee/ThinkProgressWASHINGTON, D.C. — Three years ago, neurological issues turned family life upside down for Alex B., a 24-year-old Oregonian, when his father, a longtime farmworker who picked broccoli, celery, and...