Some rearmament is desirable. But figuring out how much to spend—and what to make—is critical to avoid mistakes, writes ...

The Trump administration’s warning that Europe must take care of security in its own backyard raises questions, including ...

Charlemagne, Jean Monnet, Konrad Adenauer, Donald Trump: the pantheon of figures who have helped forge European unity has ...

Europe had been banking on a United States that wanted to make a deal on tariffs and trade. With little progress in that ...

The president said he would impose the levies if the European Union did not walk back plans to place retaliatory tariffs on ...