The Iran-US peace talks in Islamabad have arrived at a critical juncture, with Tehran's hardline stance raising questions about the viability of the negotiations. As the Iranian delegation, led by Mohammad Baqer Qalibaf and Foreign Minister Abbas Araqhchi, arrived in Islamabad, they brought with them a list of demands that have cast a shadow of uncertainty over the talks. These demands, which include the unblocking of Iranian assets and a ceasefire in Lebanon, have put the US in a delicate position, as it navigates between its own interests and the need to find a diplomatic solution to the conflict. The stakes are high, with the future of the region and the global economy hanging in the balance. The talks, which are being mediated by Pakistan and the US, are seen as a make-or-break phase, with the potential to either bring about a lasting peace or plunge the region into further turmoil. The Iranian delegation's arrival in Islamabad has been met with a sense of cautious optimism, but the road ahead is fraught with challenges. The US, under President Donald Trump, has been under pressure to find a diplomatic solution to the conflict, but the Iranian demands have thrown a spanner in the works. The US has been quick to point out that the campaign against Hezbollah in Lebanon is not part of the agreed ceasefire, but this has done little to assuage Iranian concerns. The Iranian leadership, led by Supreme Leader Ayatollah Mojtaba Khamenei, has taken a hardline stance, demanding compensation for wartime damage and the end of sanctions that have crippled its economy. The Iranian ships were sailing through the Strait of Hormuz unimpeded on Friday, while those of other countries remained hemmed inside, highlighting the ongoing disruption to global energy supplies. The talks in Islamabad are seen as a crucial step in finding a diplomatic solution to the conflict, but the Iranian demands have cast a shadow of doubt over the negotiations. The US, for its part, has been quick to point out that the only reason the Iranians are alive today is to negotiate, suggesting that Tehran has no cards to play. The talks in Islamabad are expected to be a make-or-break phase, with the potential to either bring about a lasting peace or plunge the region into further turmoil. The future of the region and the global economy hangs in the balance, as the world watches with bated breath to see if the negotiations will bear fruit or if the conflict will escalate further.