Poland has for years been one of this country’s best friends in Europe. Far from being one of the freeloaders that President Trump has rightly complained about, Poland will likely spend 4.8 percent of GDP on defense in 2026, more (in percentage terms) than any NATO country. Poland has called on other NATO members to increase their defense-related spending to 5 percent of GDP by 2030, five years ahead of target. In Warsaw’s view, sticking with a 2035 date risks leaving things too late. That’s worth noting. After all, Poland, along with the Baltic States, was warning about the dangers of Russian revanchism long before almost anyone else. These are countries which understand their neighbor.

Geographically, militarily, and politically, Poland is the........

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