Democratic Sens. Elizabeth Warren (D-MA), Dianne Feinstein (D-CA) and Kirsten Gillibrand (D-NY) sent a letter before the holidays asking the heads of a newly-formed inter-agency council if they need congressional help as they develop a national action plan to curb the use or overuse of antibiotics in food animals. President Barack Obama unleashed two massive reports in September on antibiotics in food animals and tasked the Department of Defense, HHS and Department of Agriculture to work collaboratively on the new...