First it was Canada, then the Panama Canal. Now, Donald Trump again wants Greenland. The president-elect is renewing unsuccessful calls he made during his first term for the US to buy Greenland from Denmark, adding to the list of allied countries with which he's picking fights even before taking office on January 20. In a Sunday announcement naming his ambassador to Denmark, Trump wrote that, For purposes of National Security and Freedom throughout the World, the United States of America feels that the ownership and control of Greenland is an absolute necessity." Trump again having designs on Greenland comes after the president-elect suggested over the weekend that the US could retake control of the Panama Canal if something isn't done to ease rising shipping costs required for using the waterway linking the Atlantic and Pacific oceans. He's also been suggesting that Canada become the 51st US state and referred to Canadian Prime Minister Justin Trudeau as governor of the Great Stat