Finland’s governing Social Democrats have come out in favour of the country joining NATO following a meeting to discuss the issue, which has gained new urgency since Russia invaded Ukraine. The move edges Finland a step closer to joining NATO, just days after President Sauli Niinistö and Prime Minister Sanna Marin both voiced their support for membership on Thursday. Both said they endorsed becoming NATO members “without delay,” saying it would strengthen Finland’s security. Finland has long been neutral, but concerns about its security have mounted since Russia’s invasion of Ukraine. The deci…