Surging antisemitism in the United States and worldwide is a growing concern, with calls for leaders across the political spectrum to actively confront falsehoods about Israel and the Jewish people. The article argues that leftist politicians have increasingly embraced harmful narratives, such as labeling Israel an occupying force or accusing it of genocide in Gaza, despite evidence to the contrary. It highlights that protests against Israel began immediately after the Hamas attack in October 2023, suggesting that criticism is rooted in opposition to Israel's existence rather than its actions. The piece insists that defending Israel is crucial for American national security, emphasizing the strategic alliance and shared threats. Ultimately, it urges leaders to speak out against antisemitism and support Israel as a moral and practical necessity.