New York City Mayor Eric Adams used his podium in City Hall Thursday to take aim at an anti-Israel art installation that appeared on Governors Island over the weekend.In a virtual address, Adams also took thinly veiled aim at Zohran Mamdani, the frontrunner to replace him after next week's election, suggesting that the kind of antisemitism that he said had festered even under his leadership would explode under Mamdani's.Adams' address centered on an installation, housed in the House 11 cabin