This episode features Harvard professor Stephen Walt discussing the ongoing conflict between the United States and Iran, arguing that the U.S. effectively surrendered to Iran months ago while the war continues to escalate toward a dangerous new phase.
The core argument: U.S. surrender to Iran
Walt contends the United States has already surrendered to Iran in practice, even if not formally acknowledged, by failing to respond militarily to Iranian attacks on U.S. forces and allies
The Biden administration’s restraint after October 7 attacks by Iranian proxies (Hamas, Hezbollah, Houthis) signaled to Tehran that the U.S. would not escalate
Iran’s direct missile attack on Israel in April 2024 and again in October 2024 drew only limited U.S. defensive support, not offensive retaliation against Iran itself
This pattern has emboldened Iran to continue expanding its nuclear program and proxy network without fear of serious consequences
Why the war continues despite U.S. surrender
Iran views the conflict as existential and ideological, not merely transactional, so it will not stop pressing its advantages
The Iranian regime needs external enemies to justify domestic repression and maintain revolutionary legitimacy
Israel, facing existential threats from Iranian proxies on multiple fronts, continues military operations regardless of U.S. preferences
Regional actors (Saudi Arabia, UAE, Gulf states) are hedging by engaging Iran diplomatically while quietly supporting Israeli actions
The conflict has become self-sustaining: each Iranian advance provokes Israeli response, which Iran uses to justify further escalation
The dangerous next phase Walt warns about
Iran is approaching nuclear threshold status — enough enriched uranium for multiple weapons, with breakout time measured in weeks
Israel may feel compelled to strike Iranian nuclear facilities before the U.S. election or before Iran crosses an irreversible line
Such a strike could trigger a full regional war: Iranian missile barrages on Israel, Hezbollah’s massive rocket arsenal activated, Houthi attacks on shipping, potential closure of Strait of Hormuz
The U.S. would be drawn in despite wanting to avoid it, because defending Israel and keeping oil flowing are core interests
Walt emphasizes this is not inevitable but the probability has risen sharply due to years of U.S. hesitation and Iranian calculation
Structural factors driving escalation
The U.S. has lost deterrence credibility in the Middle East after Afghanistan withdrawal, Syria red lines, and failure to respond to attacks on bases in Iraq/Syria
Iran’s “ring of fire” strategy — encircling Israel with proxies in Lebanon, Syria, Iraq, Yemen, Gaza — has been built over decades with minimal cost
Israel’s security doctrine requires preventing any hostile power from acquiring nuclear weapons (Begin Doctrine), creating a tripwire
Domestic politics in both countries constrain leaders: Netanyahu needs war to survive politically; Iranian hardliners need confrontation to suppress reformists
The U.S. election cycle creates a window of uncertainty where adversaries test limits and allies act independently
Walt’s policy prescription
Restore deterrence by making clear the U.S. will respond militarily to Iranian nuclear breakout or major proxy attacks
Coordinate with Israel on a joint strategy rather than restraining it publicly while privately enabling it
Prepare the American public for the possibility of a larger conflict rather than pretending it can be avoided indefinitely
Use leverage over Iran’s economy (sanctions enforcement, snapback mechanism) while offering a diplomatic off-ramp that verifiably blocks nuclear weapons
Accept that the Middle East cannot be “pivoted away from” — the region’s energy, geography, and nuclear risks demand sustained attention
Historical context and Walt’s realist framework
Walt applies offensive realism: states maximize power and security in an anarchic system, and the U.S. failed to understand Iran’s revisionist ambitions
He contrasts with liberal institutionalist views that engagement (JCPOA) would moderate Iran — instead it provided sanctions relief while Iran advanced centrifuges and proxies
The 2015 nuclear deal delayed but did not stop Iran’s program; Trump’s withdrawal accelerated it without a Plan B
Walt argues the U.S. has consistently underestimated ideological drivers in Iranian foreign policy, treating a revolutionary theocracy as a normal state
He warns that the current trajectory resembles pre-1914 dynamics: entangling alliances, miscalculated red lines, and loss of crisis management capacity