WSJ Gift Article: “This article is the first of two parts. “We are drawing a line here,” began Emmanuel Macron, president of France, according to several leaders present and their most senior aides. For a year, America’s closest allies had tried to placate Trump with a mix of flattery and concessions on mutual-defense and trade issues, hoping to buy time. Now, French soldiers were in Greenland, alongside Danish special forces equipped for a shooting war with America. The French president repeated an argument he’d been pressing for years, with mounting urgency: that Europe’s overreliance on America was a security risk. “There is no going back,” he said. A clutch of European leaders chimed in to complain that the administration seemed more interested in mining and energy deals than upholding America’s traditional role in the world. Europe risked becoming “a miserable slave” to the U.S., groused the prime minister of Belgium. The conservative prime minister of Italy, Giorgia Meloni, dissented, telling the roomful of more-liberal leaders that while they might not like President Trump, he could still be reasoned with, according to people present. To Meloni’s left sat Denmark’s Mette Frederiksen, trying to maintain composure. After a week of brinkmanship with Trump, the Danish prime minister looked so shaken that German Chancellor Friedrich Merz took a moment to ask how she was holding up: “You OK?” Hours passed as people talked over each other in a conversation with such seismic implications it seemed surreal: In its 250th year, had America, protector of Europe, now become a threat?…”