The European Union (EU) is a bystander in the Iran war, but it might end up sustaining significant collateral damage. On one hand, public opinion across Europe is opposed to a conflict that circumvents the core principles of international law. On the other, the continent remains deeply reliant on the United States for its energy and security needs. A definitive anti-war stance risks alienating President Donald Trump, leaving Europe strategically exposed. Talk about being caught between a rock…