Trump Offered Macron Some 'Nice ISIS Fighters' on NATO's 70th Birthday

President Donald Trump celebrated NATO’s 70th birthday by asking Emmanuel Macron whether he’d like some “nice ISIS fighters” — and then promptly got schooled by the French president.

The testy exchange came Tuesday at the London summit celebrating the anniversary of the international alliance’s founding, and it wasn’t just about ISIS: The two leaders publicly sparred over trade, immigration, Turkey, and the definition of what constitutes a terrorist group.

Macron last...