Week in politics: continued negotiations with Iran; G7 summit; Reflecting Pool issues

There continues to be uncertainty over negotiations. At the same time, the Trump administration continues to aggravate allies. (SOUNDBITE OF ARCHIVED RECORDING) JD VANCE: The opening of the Strait of Hormuz, the ending of the Iranian nuclear program - all of these things have already been accomplished. The question for us now is how much more can we accomplish together. AYESHA RASCOE, HOST: That's Vice President JD Vance speaking in Switzerland today. He's there for talks with Iranian negotiators. NPR senior national political correspondent Mara Liasson joins us now. Hi, Mara. MARA LIASSON, BYLINE: Hi, Ayesha. RASCOE: So Vance said all these things, but listed two, and neither of them are quite settled. What do we know at the moment? LIASSON: Well, so far, the parties have signed a memorandum of understanding that was supposed to start a 60-day negotiation period for all of the tough issues. As soon as it was signed, though, the Strait of Hormuz was supposed to be opened. But not only did Iran briefly postpone the talks. They also said they closed the strait again because Israel was still bombing Lebanon. So this is not just a negotiation between the U.S. and Iran. It has to do with Israel too, who has not stopped the other front of this war - if we want to call it that - in Lebanon, where Israel is trying to destroy Hezbollah, which is an Iranian proxy. …