Democratic lawmakers want to know what’s being done to stop the overuse of antibiotics in food animals. Sens. Elizabeth Warren, Dianne Feinstein and Kirsten Gillibrand sent a letter this week to the co-chairs of the newly formed interagency Task Force for Combating Antibiotic-Resistant Bacteria — outgoing Secretary of Defense Chuck Hagel, Agriculture Secretary Tom Vilsack and Health and Human Services Secretary Sylvia Burwell. In the letter, they question how the group plans to address what they called “critical gaps” in current Food and Drug Administration policies. Read more at The Hill…