Senators Elizabeth Warren (D-MA), Dianne Feinstein (D-CA) and Kirsten Gillibrand (D-NY) are still waiting for answers to animal antibiotics questions posed eight months ago. The senators originally wrote to the
Senators Elizabeth Warren (D-MA), Kirsten Gillibrand (D-NY) and Dianne Feinstein (D-CA) sent a letter Tuesday to Secretaries Chuck Hagel, Tom Vilsack and Sylvia Burwell, co-chairs of the newly formed Interagency