by Merry Youle — A re­cent pa­per by Edgar and col­leagues cap­tured my at­ten­tion with a new twist on how to com­bat an­tibi­otic re­sis­tance: Our over­all goal in this study is to pro­vide a proof of prin­ci­ple for a ge­netic sys­tem that is able to re­store drug sen­si­tiv­ity to drug-re­sis­tant pathogens re­sid­ing on…