The premise of NATO, which is something over 10 years old IIRC, is that if/when tanks start rolling across (say) Poland, (say) Portugal would be wise to take no

The premise of NATO, which is something over 10 years old IIRC, is that if/when tanks start rolling across (say) Poland, (say) Portugal would be wise to take notice. And maybe proactively do a bit more than just notice.