Gabriel Groisman, a Florida mayor and a Jewish community leader, sounded the alarm on rising antisemitism on Sunday. Jewish groups have raised concerns about an alarming uptick in antisemitic incidents in recent weeks as popular celebrities like Kanye West spout antisemitic remarks, including tweeting that he planned to go "death con 3 on Jewish people." In addition to an increase in hateful rhetoric, there have been several incidents of antisemitic vandalism in recent weeks across the country. Groisman, a leader who has long vocalized concerns about antisemitism in the United States, called for a "zero-tolerance policy" in responding to antisemitic...