Finnish President Sauli Niinisto said on Tuesday he was ‘optimistic’ Finland and Sweden would be able to secure Turkey’s support for theirNATO membership bids, despite Ankara’s last-minute objections. “I am confident that with the help of constructive talks, the situation will be resolved,” Niinisto told Sweden’s parliament in a speech, later adding during a question period: “I’m optimistic”. Turkey’s President Recep Tayyip Erdogan has threatened to block the alliance’s expansion, accusing Helsinki and Stockholm of harbouring militants from the Kurdistan Workers’ Party, which has waged a decad…