House Speaker Mike Johnson, the top Republican lawmaker in the United States, publicly stated that lying is part of some Iranians' religion. The claim — a reference to the concept of taqiyya, routinely stripped of context and weaponized in Western political discourse — was deployed specifically to defend the ongoing US-Israel war on Iran and to undermine the premise of any negotiated settlement. Johnson praised Trump's 'steady hands at the wheel' in prosecuting the conflict, framing the administration's war posture as measured leadership rather than escalation. The rhetorical move is structurally familiar: dehumanize the adversary's capacity for honest communication, then argue that diplomacy is inherently futile. Once an entire population's religious practice is characterized as fundamentally dishonest, the only remaining policy option is force. The 'taqiyya' trope has a long history in anti-Muslim political rhetoric, typically invoked to argue that Muslims cannot be trusted in any negotiation, treaty, or agreement. Its deployment by the Speaker of the House — the person second in the presidential line of succession — elevates it from fringe commentary to official institutional rhetoric. This is not a backbencher's hot take; it is the position of the person who controls the legislative agenda. The strategic function is domestic, not diplomatic. Johnson is not speaking to Tehran. He is speaking to the American public and to Republican caucus members who might waver on war funding, casualty tolerance, or escalation timelines. Religious dehumanization makes the war easier to sustain politically by foreclosing the question 'why not negotiate?' before it can be asked. The pattern has direct precedent. The Iraq War was sustained partly through rhetoric that made the adversary culturally incomprehensible — too alien, too dishonest, too irrational for diplomacy. That framing survived long after the stated justifications (WMDs) collapsed. The cost was measured in trillions of dollars and hundreds of thousands of lives, with the rhetorical infrastructure outlasting the policy rationale by decades. What is absent from Johnson's framing is any acknowledgment that the US has its own long history of diplomatic deception, intelligence fabrication, and broken treaties — from the Gulf of Tonkin to the Niger yellowcake forgeries. The claim that dishonesty is uniquely encoded in another civilization's religion requires ignoring the universal distribution of political deception across all states and cultures. The immediate effect is to narrow the political space for any alternative to military escalation. If the enemy cannot be negotiated with by definition, then war becomes not a choice but a necessity. That framing benefits defense contractors, hawkish political coalitions, and incumbents who need a wartime rally effect — while the costs fall on taxpayers, service members, Iranian civilians, and regional stability.