Exclusive: EU agrees to embargo on Iranian crude Photo 1:30pm EST By Justyna Pawlak and Parisa Hafezi BRUSSELS/TEHRAN (Reuters) - European governments have agreed in principle to ban imports of Iranian oil, EU diplomats said Wednesday, dealing a blow to Tehran that crowns new Western sanctions months before an Iranian election. The prospective embargo by the European Union, along with tough U.S. financial measures signed into law by President Barack Obama on New Year's Eve, form a concerted Western campaign to hold back Iran's nuclear program. Iran says the program is strictly non-military, but Western countries say a November U.N....