Concern in NATO after Trump's broadside against mutual defense commitment. France urges reflection on a scenario in which the Republican populist returns to the White House.

“I will not stop persuading all leaders of the relevance of our alliance,” said French Foreign Minister Stéphane Séjourné this Monday. Trump's words "call into question the credibility" of the United States as an ally, says Michal Baranowski, director of the German Marshall Fund for the East.