With the world’s attention focused on wars in the Middle East and Ukraine, a major geopolitical development in Europe has gone largely unnoticed: U.S. President Donald Trump’s decision to pull 5,000 troops out of Germany after it refused to support U.S. and Israeli attacks on Iran. While the move represents less than 10% of the roughly 80,000 to 90,000 U.S. military personnel stationed in Europe, it amounts to a shot across the continent’s bow.