For the second time in less than five months, European leaders have woken up to a vote that has shaken the continent’s geopolitical order. If anything, the election of Donald Trump was more shattering than Britain’s decision to leave the European Union.
The votes in two of the world’s most open and market-oriented economies both suggested dissatisfaction with globalization and economic integration. Mr. Trump’s election has raised questions about whether the U.S. will continue to extend the unconditional security guarantee that has underpinned European prosperity since World War II.
