The effect is most pronounced in counties with many drinking water wells, indicating that contamination by "produced water" from fracking is a likely cause.
On May 1, workers have a chance to confront Trump by turning the tricks of his trade back on him -- dealing in the language of power.
Ms. Johannsen is the founder and executive director of All Education Matters. She also writes about everyday life, and is an ESL tutor in the Dallas/Ft. Worth area.