[contentcards url=”https://www.foxnews.com/politics/elon-musk-warns-people-die-over-mamdanis-fdny-commissioner-pick-lillian-bonsignore”] New York City Mayor-elect Zohran Mamdani appointed 31-year EMS veteran to lead FDNY this week By Brie Stimson Elon Musk on Friday slammed incoming New…