US President Joe Biden has given his full backing to Finland and Sweden joining NATO. “This is in my view and the view of our team a momentous day. It’s a very, very good day. Today, I’m proud to welcome and offer the strong support of the United States for the applications of two great democracies,” he told a White House news conference with Finnish President Sauli Niinistö and Swedish Prime Minister Magdalena Andersson. “Having two new NATO members in the high north will enhance the security of our alliance and deepen our security cooperation across the board.” The Nordic countries have quic…