Finland is answering that call with a re-armament announced this week, but it’s a testament to the storm clouds all over the world, which still requires U.S. leadership.

It was 4 degrees Fahrenheit at 2:30 a.m. on a crisp winter night as our car pulled up to a working reindeer farm near Kilpisjärvi, a village in the extreme northwest corner of Lapland, Finland.

IVALO, Finland — Nexen Tire Corp. is establishing a dedicated winter testing center in Ivalo, located in Lapland about 180 miles north of the Arctic Circle. The company said the testing center, to be ...