Under President Donald Trump, America’s commitment to NATO seems to be wavering. General H. R. McMaster, his national security advisor, may have restated this commitment, but Trump’s silence on the issue is creating unease in European capitals. The president has made clear his dissatisfaction with member states not meeting their commitment to spend 2 percent of GDP on defense, as well as his frustration that the United States continues to bear the cost of NATO’s commitments in Europe.
