As a delegation from Denmark meets with US officials in Washington for talks over the future of Greenland, many worry that these tensions could be the death knell of the US-led NATO alliance — and a boon to traditional adversaries like Russia. Carlo Masala is a NATO expert and the author of the book “If Russia Wins.” He joined Host Carolyn Beeler from Munich, where he’s a professor of international politics at the Bundeswehr University.