In the shifting currents of North Atlantic geopolitics, Iceland — a small nation of outsized strategic consequence — summoned the American ambassador to Reykjavik this week to formally protest a map released by Donald Trump that appeared to question the island's territorial integrity. The gesture, ancient in diplomatic tradition, carries modern urgency: it arrives just days after Icelanders voted against pursuing EU membership, signaling a country already in the midst of recalibrating its place in the world. When a nation of 370,000 people formally rebukes the world's foremost military power,