When the Biden administration launched a National Strategy to Counter Antisemitism on May 25, there was some hope that it would address the growing overlap between domestic U.S. antisemitism and anti-Israel advocacy. Here is a recent case: Last February, the Palestinian-American journalist and poet Mohammed El-Kurd was invited by Princeton University’s English Department to give an annual lecture. El-Kurd’s writings contain “vicious antisemitism” according to the Anti-Defamation League’s website. His 2021 book of poetry states that “they [Israelis] harvest organs of the martyred [Palestinians], feed their warriors our own.” In May 2021, he tweeted that Zionists have an “unquenchable thirst...