The North Atlantic Treaty Organization is widely considered the largest peace-time military alliance in the world. The 32 ...

But on Thursday afternoon in the Oval Office, Trump made extensive comments denigrating NATO members as unreliable, arguing that it was “common sense” not to defend countries not funding their ...

Concerns have mounted as Mr. Trump has voiced increasingly critical comments about NATO, suggesting that European countries should take on greater costs of maintaining the alliance. In recent years, ...