US ambassador urges NATO vigilance: 'You can't predict what Vladimir Putin's going to do'

U.S.

Ambassador to NATO Matt Whitaker is urging the military alliance’s members to boost defense spending and weapons production to prepare for emerging Russian threats.

“You can't predict what [Russian President] Vladimir Putin's going to do or any adversary,” he told USA TODAY during an interview at NATO’s headquarters in Brussels.

“All you can do...