The rift between Vice President JD Vance and Secretary of State Marco Rubio over their approaches to Israel and Iran is no longer just a policy disagreement within President Donald Trump’s administration.
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As the midterm elections approach and early calculations for 2028 begin, the two men are gradually becoming figureheads for two competing factions vying for the inheritance of the Republican movement: the non-interventionist "America First" philosophy embodied by Vance, and the traditional conservative, staunchly pro-Israel, and deeply hawkish stance on Iran represented by Rubio.
Pro-Israel Hawks Turn on Vance
Despite White House denials of any internal discord regarding relations with Israel, Reuters has identified a clear divergence between Vance and Rubio.
This friction became particularly evident through Vance's pivotal role in brokering a memorandum of understanding with Iran. He has drawn criticism for chiding Israeli officials who opposed its terms and for characterizing certain Israeli military operations in Lebanon as obstacles to American de-escalation efforts.
In contrast, Rubio defended Israel’s right to respond to Hezbollah attacks, maintaining that while Washington seeks an agreement with Tehran, it will not do so "at any cost."
This division provided ammunition for pro-Israel conservative influencers at the "Road to Majority" conference, organized by the Faith and Freedom Coalition in Washington, D.C., two weeks ago. High-profile figures like Ben Shapiro and Mark Levin placed the responsibility for the deal squarely on Vance, portraying the Vice President as overly willing to grant concessions to Iran and restrain Israel’s military freedom.
The pushback extends beyond foreign policy debates to clear political maneuvering: the goal is to block Vance from treating the vice presidency as an automatic ticket to succeed Trump, opening the door for Rubio or another candidate more aligned with the Republican hawks, such as Florida Governor Ron DeSantis or Texas Governor Greg Abbott.
Consequently, Israel has become a litmus test for the American right. Vance's supporters argue that backing Israel should not mean committing to open-ended wars or subordinating American interests to the calculations of Benjamin Netanyahu’s government. Conversely, his critics contend that backing away from a maximum-pressure campaign against Iran jeopardizes both Israeli and American security.
Evangelicals Remain Uncommitted
The Washington Post reported that the "Road to Majority" conference highlighted a gap between aggressive media narratives and the actual sentiment of attendees.
Despite strong support for Israel and aggressive measures against Iran, many participants remained open to a Vance candidacy, praising his political effectiveness, loyalty to Trump, and his background as a U.S. Marine. While not a scientific poll, these reactions indicate that while Israel is a major religious and political priority for Evangelicals, it is not their sole criterion. This voting base remains deeply attentive to domestic issues such as abortion, religious freedom, immigration, the judiciary, education, and electability against Democrats.
Trump’s own political trajectory proved that Evangelical voters are willing to overlook personal or ideological reservations if they believe a candidate will aggressively fight for their core priorities. Vance benefits from his close alignment with Trump, his conservative cultural platform, and his frequent messaging around faith and family.
Rubio, on the other hand, pitches himself as a figure with superior foreign policy experience, an unwavering defender of Israel, and a reassuring choice for traditional Republican institutions and conservative donors. Although both are Catholic, they use a religious vocabulary that resonates strongly with Evangelical audiences.
Early Positioning
The race for political positioning has started early, though the field remains wide open. An Emerson poll in May showed a razor-thin margin among Republican primary voters, with Vance drawing 36 percent and Rubio at 35 percent.
Rubio showed greater strength among voters over 50, whereas Vance led among younger demographics. Conversely, a poll at the Conservative Political Action Conference (CPAC) gave Vance a more pronounced lead, reflecting his deep-rooted popularity at the core of the MAGA movement.
Age demographics explain a significant portion of this rivalry. Older Republicans and traditional Evangelicals remain firmly tied to Israel and an interventionist foreign policy. In contrast, the younger generation of conservatives has grown increasingly skeptical of foreign wars and costly alliances. A Pew Research Center study showed that a majority of Republicans under 50 now view Israel negatively, even as support remains robust among older Republicans and white Evangelicals.
As a result, the competition has not yet simplified into a binary choice between being "pro-Israel" or "anti-Israel." Moving forward, Rubio will likely try to frame a hardline stance on Iran and an absolute commitment to Israel as proof of readiness for the nation's highest office. Vance, meanwhile, will position himself as the guardian of a brand of Trumpism that rejects "forever wars." The ultimate deciding factors will be Trump’s personal endorsement and the long-term survival of the Iran agreement; its success would cement Vance's reputation as a peacemaker, whereas its collapse and a slide back toward conflict—widely seen as the more probable scenario today—would validate the warnings of Rubio and the hawks.
(Source: Agencies)
