By Aymen al Warfalli and Angeliki Koutantou BENGHAZI, Libya/ATHENS (Reuters) - A Libyan warplane from forces loyal to the internationally recognized government bombed a Greek-operated oil tanker anchored offshore, killing two crewmen in an escalation of a battle between the country's rival factions. The air strike on Sunday damaged the Liberian-flagged ARAEVO that was carrying 12,600 tons of ...