BBC News reports Volodymyr Zelensky saying US negotiators floated Ukraine withdrawing from the Donbas in exchange for Nato membership, the first time the trade-off has been raised. envoys Jared Kushner and Steve Witkoff met Putin in Moscow and Zelensky in Dublin; Zelensky says a deal with security guarantees and no military limits would go to a referendum, while the article notes ceding the Donbas would be a small concession in practical terms but symbolically significant.