Benjamin Netanyahu's handling of the conflict with Iran is triggering a dramatic collapse in American backing for Israel, reshaping congressional politics and threatening decades of bipartisan consensus.
The shift is most visible in the voting booth. Every Senate Democrat considering a 2028 presidential run voted against arms sales to Israel in recent votes. That's a sharp break from traditional party alignment. Forty Senate Democrats backed a resolution blocking arms shipments, up from just fifteen on a comparable measure last April.
"Destroying the bipartisan nature in terms of support for Israel," is how Sen. Ruben Gallego, D-Ariz., characterized Netanyahu's approach. Rep. Jason Crow, D-Colo., echoed the sentiment, saying the relationship needs fundamental repair.
In the House, the erosion is touching even defensive systems. Democrats are now opposing funding for Israel's Iron Dome missile defense network, a position that would have been branded "insanely fringe" four years ago, according to Rep. Maxwell Frost, D-Fla. Several House Democrats who voted to support the system in 2021 told reporters they will not do so again.
Polling reveals the depth of the realignment. Pew data shows Israel's favorability has cratered across nearly every demographic since 2022. Older Democrats aged 50 and up dropped 31 points. Younger Republicans and younger Democrats both fell 22 points. Catholic support declined 23 points, Protestants dropped 14, and the religiously unaffiliated fell 20 points.
Only two groups maintain majority favorable views: older Republicans and white Evangelicals. But even Evangelical support, which sat at 80 percent two years ago, has slipped 15 points.
The numbers matter in Congress. Lawmakers who once stood firmly behind Israel are becoming open critics. The message is straightforward: young Americans, a growing force in Democratic politics, view the relationship as untenable without significant change.
What happens next will shape U.S. foreign policy for years. Netanyahu's decisions are forcing a recalibration that congressional leaders say cannot be reversed without serious acknowledgment of how his actions have damaged the alliance.
Author James Rodriguez: "Netanyahu's betting he can wait out American anger, but these polling shifts and congressional votes suggest he's miscalculated a generation's patience."
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