Democratic senators praised FDA Tuesday (Feb. 13) for the agency's efforts to moderate the use of antibiotics in animals in an effort to reduce instances of antimicrobial resistance. But even FDA Commissioner Scott Gottlieb has noted that new strains of resistant bacteria continue to pop up despite more diligent stewardship. Both lawmakers and FDA also acknowledge the work to decrease antibiotic use in feed animals is not done: one senator pressed FDA Tuesday for a progress report on how the...