G reenlanders own a lot of guns : more than 35,000 long rifles, on an island of 56,000 people. Everyone I met there in January knew how to hunt. And more than one person made clear to me that they were ready to stand their ground against a possible American invasion. “I have 10 hunting rifles,” Finn told me when I visited his home in Nuuk. (He asked me to withhold his full name because “taking credit for things is not the Greenland way.”) “I am a decent shot,” he added, “but not as good as my