BRUSSELS — European countries are already in the crosshairs for Iran’s aggression and should drop their insistence on finding diplomatic solutions to the crisis, Israel’s top envoy to the EU said. The continent “is in a war with Iran,” and has been for a long time, Avi Nir-Feldklein, Israel’s ambassador to the EU, told POLITICO in an interview, calling on Europe to unambiguously back military efforts to bring down the regime. After Israel and U.S. struck Iran on Saturday, prompting retaliation