Why Midwestern farmers' patience with Donald Trump is starting to wear thin

While support for Trump is still strong in rural America, there's dissatisfaction at the margins

Rolling along Iowa’s gentle hills in mid-August is usually like surfing a green tidal wave. Corn fields are so lush that plants often tower several feet over the heads of crop scouts setting out to analyze yields. This year, some scouts were crawling around on their hands and knees to find ears of grain during the annual expedition.

Crops have been smashed down to lay flat across the ground after a powerful derecho swept through earlier this month, bringing high winds and hail. The soaring height of the plants makes them particularly vulnerable to strong gusts, which bend, fracture and