The European Union has proposed sanctions against Iran's interior minister and 14 other senior officials for their role in a violent crackdown on nationwide protests that erupted in late December, documents obtained by RFE/RL show. Protests erupted on December 28 over economic woes, including currency collapse, but morphed into anti-regime demonstrations that were met with lethal force. The bloc's foreign ministers could adopt the measures, which include asset freezes and visa bans, when they meet in Brussels on January 29. All member states must…