NATO members should be required to commit themselves to spend 3% of national gross domestic product (GDP) on defence, rather than aiming for the current 2% target, President Andrzej Duda told Poland’s National Security Council in Warsaw on Monday. Duda said he would propose this when he meets President Joe Biden in Washington on Tuesday. The 3% target should be the lower limit that should be met under all conditions, Duda said. The current NATO defence spending target requires that members should invest at least 2% of GDP annually over the long term. It was agreed last summer in the face of a …