Dear All, I was fascinated by this recent paper in AAC: Neha K. Prasad, Ian B. Seiple, Ryan T. Cirz, and Oren S. Rosenberg. Leaks in the Pipeline: a Failure Analysis of Gram-Negative Antibiotic Development from 2010 to 2020. Antimicrob Agents Chemother. 2022 May 17;66(5):e0005422. doi:10.1128/aac.00054-22. (Addendum: This newsletter has a follow-up newsletter.) In brief,