NEW YORK — New York City Mayor-elect Zohran Mamdani’s incoming administration marks a sea change for the city’s Jews, with leading rabbis calling Mamdani a “danger” and warning of his “uncompromising anti-Zionism.” Mamdani is a longtime anti-Israel activist who has identified as an anti-Zionist, and much of the concern stems from Mamdani’s rhetoric against Israel, with Jewish leaders fearing the administration could foment hostility against Jews. Polls have found that a majority of Jews believe Mamdani will make the city less safe for them. Concerns have continued to mount in recent weeks as Mamdani’s staff comes together ahead of his...