"USA Watches as Wheat Rust Makes a Damaging Comeback"
"A fungus under control for 50 years is back and ravaging wheat crops in Africa, the Middle East and Asia. Once it gets in a field, it corrodes the stalks, turning them shades of brown and red that gives the disease, wheat stem rust, its name. Farmers can do little but harvest what's left, sometimes losing 60% of their crop."