ADVERTISEMENT The Trump administration wants to hear this week how NATO's European member countries and Canada plan to boost defence spending to 5% of GDP, new US envoy Matthew Whitaker has said. Briefing reporters ahead of a meeting of NATO foreign ministers in Turkey, US Ambassador Matthew Whitaker insisted that "5% is our number. We’re asking our allies to invest in their defence like they mean it." "Make no mistake, this ministerial is going to be different,” Whitaker said, adding that "5%