Animal rescue leaders say new rules meant to prevent the spread of the livestock parasite make sense. But they are also costly for overcrowded shelters in Texas, which transfer many pets to other states.

Corn and soybean growers have seen several years of low commodity prices and increased costs for supplies like fertilizer and fuel. That has many farmers worried about whether they'll turn a profit this year and drawn some comparisons to a dark time in American agriculture.

Attorneys say cases that claim the popular weedkiller causes cancer will have to change course to move forward in court after the U.S. Supreme Court sided with the agriculture company last month.

For 150 years, silos have been a fixture of the Corn Belt, but efforts to preserve them have been haphazard.