THIS SEEMS LIKE A GOOD IDEA: Citing Drug Resistance, U.S. Restricts More Antibiotics for Livestock. “TON — Federal drug regulators announced on Wednesday that farmers and ranchers must restrict their use of a critical class of antibiotics in cattle, pigs, chickens and turkeys because such practices may have contributed to the growing threat in people of bacterial infections that are resistant to treatment. . . . The drugs’ use in agriculture has, according to many microbiologists, led to the development of bacteria that are resistant to their effects, a development that many doctors say has cost thousands of lives.”