Article continues below advertisementPresident Donald Trump stumbled during his address at the World Economic Forum in Davos, Switzerland, when he repeatedly confused Iceland with Greenland, sending shockwaves through the audience.Article continues below advertisementSource: @paulcshipley/XArticle continues below advertisementIn a cringeworthy 90-second segment of his speech to global economic leaders, Trump mentioned Iceland four times while clearly intending to refer to Greenland - the territory he has previously expressed interest in acquiring.