This miracle weed killer was supposed to save farms. Instead, it’s devastating them.

This miracle weed killer was supposed to save farms. Instead, it's devastating them.:

BLYTHEVILLE, ARK. — Clay Mayes slams on the brakes of his Chevy Silverado and jumps out with the engine running, yelling at a dogwood by the side of the dirt road as if it had said something insulting. Its leaves curl downward and in on themselves like tiny, broken umbrellas. via Pocket