There’s a moment in every political career when ambition reveals character. For Alexandria Ocasio-Cortez, that moment came Sunday in Ithaca when she stood before 2,000 Democratic socialist college students and said absolutely nothing about the antisemitic chants that had just filled the room.

Let’s be clear about what happened. Cornell students led the crowd in singing “from the river to the sea,” a slogan calling for the complete elimination of Israel as a Jewish state. They followed it up with “long live the student intifada,” glorifying violence against Israeli civilians. These aren’t dog whistles. They’re air raid sirens. And Ocasio-Cortez, who certainly heard them, chose silence over moral clarity.

The event was billed as “Students vs. Billionaires,” which tells you everything about AOC’s political playbook. Pit groups against each other. Find an enemy. Rally the base. Never mind that this manufactured class warfare ignores the actual innovation and job creation that free markets provide. Young Democratic Socialists of America co-chairs Mina Petrova and Zoe Reisman warmed up the crowd by trashing their own Ivy League institution, calling Cornell “fundamentally a capitalist institution that prioritizes billionaires and profit over students.”

You know what’s funny about that? These students attend one of the most prestigious universities in America, an institution built by private donors and sustained through endowments from successful capitalists. The irony is thick enough to cut with a knife.

But the real story isn’t student naivety. College kids have been falling for socialist fairy tales since the 1960s. The story is that a sitting member of Congress, potentially eyeing a Senate run or even higher office, couldn’t muster the backbone to reject antisemitism when it was staring her in the face.

Instead, Ocasio-Cortez doubled down. She criticized Cornell for its handling of student protests and told the crowd, “When we come out in numbers, they cannot take us all.” That’s not leadership. That’s pandering to the mob, literally.

The House of Representatives voted in 2024 to officially recognize “from the river to the sea” as hateful and antisemitic. Ocasio-Cortez voted against that resolution. So her silence Sunday wasn’t an oversight or a missed opportunity. It was consistency with a pattern of refusing to call out antisemitism within her own political coalition.

This matters beyond one rally in upstate New York. The Democratic Party faces a growing problem with antisemitism in its ranks, particularly among its younger, more progressive members. When prominent figures like Ocasio-Cortez refuse to draw clear lines, they’re not just tolerating hatred. They’re mainstreaming it.

Traditional American values include standing against bigotry in all its forms. That’s not a partisan position. That’s a human one. But the modern progressive left has created such a rigid hierarchy of oppression that it can’t simultaneously support Palestinian causes and condemn calls for Jewish genocide. The cognitive dissonance is staggering.

Governor Kathy Hochul was supposed to appear with AOC at another event that day but pulled out, citing a major storm system. Sure, the weather was bad. But you have to wonder if Hochul, facing her own political challenges, wanted distance from what was shaping up to be a controversial day for the congresswoman.

Ocasio-Cortez is testing the waters for statewide office. She wants to expand her brand beyond the Bronx. But here’s what she’s learning: New York has the largest Jewish population outside of Israel. Tolerating antisemitic rhetoric might play well with the DSA crowd at Cornell, but it’s political poison in a general election.

The free market of ideas works when people speak honestly. Ocasio-Cortez had a chance Sunday to demonstrate that progressive values and basic human decency aren’t mutually exclusive. She could have told those students that you can support Palestinian rights without calling for Israel’s destruction. She could have explained that chanting for intifada means celebrating violence against civilians.

She chose not to. And that choice tells us everything we need to know about where her ambitions will take her, and us, if we let them.

Related: Nicki Minaj tells young voters to vote Republican and stop pretending their voice doesn’t matter