Rubin: Trump’s slurs of allied soldiers who died in Afghanistan shake NATO

Words matter.

With his nonstop litany of lies and insults, President Donald Trump appears to believe no one will remember what he said yesterday or last week (perhaps he can’t recall, either).

Yet, just as Americans won’t forget how Kristi Noem smeared Minneapolis nurse Alex Pretti as a “domestic terrorist,” European allies won’t forget the most outrageous slur Trump hurled at them at the World Economic Forum in Davos, Switzerland.

It was a falsehood so painful that it drew...