Faisal Islam: Global disruption looms large over biggest-ever Davos

Apart from the snow and the temperature Greenland does not have much in common with the Swiss alps. But the fight for the future of the island looms over the gathering of world leaders and businesses at the World Economic Forum (WEF) this week. Indeed the timing of Donald Trump's extraordinary threat must have had in mind this meeting. And that is beyond strange given the views of his base. Last year, he beamed himself into the WEF from the White House, appearing before an audience of largely bewildered European executives just two days after his inauguration.