Finland and Sweden should change their laws if needed to meet Turkey’s demands and win its backing for their bid to join NATO, the Turkish foreign minister said on Tuesday, doubling down on a threat to veto a historic enlargement of the alliance. In a move that shocked its allies, Turkey on May 13 objected to Finland and Sweden joining NATO on the grounds that they harbour people linked to groups it deems terrorists, including theKurdistan Workers Party (PKK), and because they halted arm exports to Turkey in 2019. The Nordic states applied to join NATO after Russia’s invasion of Ukraine. All 3…