Polish President Andrzej Duda on Tuesday reiterated his call for NATO members to commit a larger slice of national gross domestic product (GDP) on defence at a meeting with US President Joe Biden in Washington. Duda also called on the US to provide further support to Ukraine, which has been defending itself against a Russian invasion for more than two years. “Russia’s aggression against Ukraine clearly demonstrated that the United States is and should continue to remain the security leader,” said Duda at the White House. “But other allies must also take more responsibility for the security of …