Democrat Tim Walz criticizes Donald Trump for withdrawing from the Iran nuclear deal during the vice presidential debate. Walz questions Trump's stability and argues that he cannot be trusted during a crisis in the Middle East. His Republican opponent, JD Vance, defends Trump's record and asserts that he made the world more secure. The debate's first topic is the ongoing crisis in the Middle East, allowing the candidates to discuss their foreign policy credentials. Walz criticizes Trump for abandoning the Iran nuclear deal, stating that it has brought Iran closer to obtaining a nuclear weapon.