Article continues below advertisementWhite House Press Secretary Karoline Leavitt quickly came to Donald Trump's defense after the president appeared to confuse Greenland and Iceland during a high-profile speech overseas.The mix-up happened while Trump was speaking at the World Economic Forum in Davos, where he laid out controversial ideas about taking control of Greenland. As criticism spread online, Leavitt wasted no time pushing back.Article continues below advertisementSource: Bloomberg News/YouTubeKaroline Leavitt defended Donald Trump after criticism spread online.