Sweden and Finland want in, but NATO’s previous rounds of expansion irked Russia and provoked serious debate. A bit of post-Cold War history from Member of European Parliament and former Polish Foreign and Defense Minister Radosław Sikorski and Charles Kupchan of the Council on Foreign Relations: | Fareed Zakaria

Putin invaded Ukraine 'to stop NATO', alliance chief tells EU NATO secretary general Jens Stoltenberg told the European parliament on 7 September 2023 that President Putin's invasion of Ukraine was "to prevent more NATO" expansion along Russia's borders. Full remarks: "President Putin declared in the autumn of 2021, and actually sent a draft treaty that they wanted NATO to sign, to promise no more NATO enlargement. That was what he sent us. And was a pre-condition for not invade Ukraine. Of cour