The world this week
Politics Finland and Sweden both formally submitted their applications to join NATO. The two Nordic countries had stayed outside the alliance since its inception in 1949, for fear of provoking the Kremlin. But since Vladimir Putin invaded Ukraine, Swedes and Finns have decided they would be safer inside than out. Rapid acceptance of the two wouldbe members is expected, although Turkey is raising objections. NATO’s border with Russia will double in length. Russian forces pulled back from the area around Kharkiv, Ukraine’s second city. It is no longer in range of Russian artillery, having been pounded since the start of the war in February. Elsewhere, the invaders continued to make slow progress. In Mariupol more than 250 fighters, who had been holed up in the Azovstal steel works, surrendered. An…