美伊核谈“取得进展”，特朗普副手泼冷水：红线问题仍未解决

Core Insights - The negotiations between the US and Iran have made progress, but many details remain to be resolved, with Iran expected to submit a detailed proposal in the next two weeks [1] - The talks are focused on Iran's nuclear program and the potential lifting of US economic sanctions, with the US also wanting to discuss Iran's missile development [1][2] - There is a consensus on a set of "guiding principles" to draft a potential agreement, although significant differences in positions still exist [2][3] Group 1: Negotiation Progress - The US official stated that while progress has been made, there are still many details to discuss [1] - Iran's Foreign Minister described the atmosphere of the negotiations as "more constructive" and indicated that both sides agreed to advance the drafting of a potential agreement [2] - The next round of negotiations has not yet been scheduled, and the timeline for a potential agreement remains uncertain [2] Group 2: Military Tensions - The US has increased its military presence in the region, deploying the "Abraham Lincoln" aircraft carrier and sending the "Gerald R. Ford" aircraft carrier to the Middle East [5] - Iran's Supreme Leader responded to US military threats, emphasizing that the real danger lies in the weapons capable of sinking aircraft carriers [5] - Iran has conducted military exercises in the Strait of Hormuz, showcasing its military capabilities in response to US actions [6]