Editor’s note: Sign up for Unlocking the World, CNN Travel’s weekly newsletter . Get news about destinations, plus the latest in aviation, food and drink, and where to stay. CNN  —  Since the US presidential election, there’s been a spike in Americans’ interest in moving abroad. “It’s been such a gut reaction of, ‘I want to move, but I don’t know where, and I don’t know how,’ ” says Arielle Tucker, a Switzerland-based certified financial planner who specializes in assisting US citizens in