Foreign policy has not been a priority for the president-elect during his election campaign. Some of his statements on international affairs have been contradictory, and since the election he has denied saying some of the things he said before it. So it is hard to guess exactly what Donald Trump will do. But one consistent theme, which predates the presidential campaign, is that he believes America’s partners and allies around the world are taking advantage of the United States. Trump is likely to re-evaluate America’s commitments to international alliances, based on his assessment of the costs and benefits to the US.[...]