European leaders tested solutions to NATO’s new problem: how to handle an America that can both anchor the alliance and shake it.

But people not holding political office are more scathing of the impact of Donald Trump’s decisions on the continent’s security.

Zbigniew Ziobro is in the U.S. on a journalist visa, and Polish authorities want him home to face 26 criminal charges.

European leaders tested solutions to NATO’s new problem: how to handle an America that can both anchor the alliance and shake it.