Inside the US-Iran talks: How Vance-led delegation grew 'friendly' with Tehran's negotiators

The marathon 21-hour talks between the United States (US) and Iran in Pakistan's Islamabad failed to end the impasse after the two sides did not agree to each other's demands. The US delegation, led by Vice President JD Vance, wanted Iran to give guarantee that it will not seek nuclear weapons, end all uranium enrichment and clear the Strait of Hormuz, which is one of the most critical waterways in the world.