US President Joe Biden (C) welcomes Finnish President Sauli Niinisto (L) and Swedish Prime Minister Magdalena Andersson to the White House in Washington, DC, on May 19, 2022. - The US on May 18 gave its full support for Sweden and Finland's bids to join NATO, promising to stand by them if threatened by Russia and pressing Turkey to not block their membership. (Photo by MANDEL NGAN / AFP)