Divided European leaders struggle with post-Brexit vision

By Noah Barkin and Jason Hovet BRATISLAVA (Reuters) - European leaders, struggling to overcome an historic crisis following Britain's vote to leave the EU, agreed on Friday to explore closer defense cooperation and boost security at their external borders, but could not hide deep divisions over refugees and economic policy. Meeting in the Slovak capital with the British conspicuously absent, the 27 other EU members unveiled a six-month "road map" of measures designed to restore public confidence