The greatest mistake Europeans can make is to believe that their biggest problem is Donald Trump.
To be fair, it鈥檚 an easy error to make. In the long annals of American diplomacy, there鈥檚 no previous instance of an American president treating close allies with anything approaching the Trumpian mix of critique and contempt.
But it鈥檚 not only Mr. Trump and his supporters whose attitudes should worry Europe. Some of Europe鈥檚 closest friends are also increasingly discouraged.
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