Trump’s arrival in Davos off to a bumpy start, as his quest for Greenland could take center stage

President Donald Trump arrived at the World Economic Forum in Davos, Switzerland, on Wednesday, after a minor electrical issue aboard Air Force One had forced a return to Washington to switch aircraft.

Shortly after he landed in Zurich, his Marine One helicopter took him to the site of the international gathering. The White House said arriving late wouldn’t push back his scheduled address at the forum in the Swiss Alps—where his ambitions to wrest control of Greenland from NATO ally Denmark...