Wendy Sherman speaks during a meeting in Wellington, New Zealand in August 2022. | Hagen Hopkins/Getty Images American and Iranian negotiators are reportedly getting closer to a deal that would end the weeks-long war between the nations, following the collapse of in-person talks in Islamabad last weekend. In his announcement Sunday, Vice President JD Vance initially sounded pretty hopeless about the whole thing, as you might expect of a man whose dreams had just been smashed . But now there are reports of backchannel phone calls, Pakistani delegations, frameworks of frameworks…it’s all very The Diplomat. Incidentally, my colleagues at the  Today, Explained  podcast just scored a fascinating interview with an actual diplomat: Wendy Sherman, the former deputy secretary of state and President Barack Obama’s top negotiator for the 2015 Iran nuclear deal. So this morning, we’re turning to Sherman to (try to) understand the Trump administration’s screwups in Iran in 2026.…