IAG SA is in discussions with Airbus and Boeing for a potential widebody aircraft order, according to people familiar with the matter, as the European airline group looks to modernize its long-haul fleet. As part of the talks, IAG is seeking to replace older 777s at its British Airways unit, said the people, who asked not to be identified discussing confidential negotiations. The group could order 20 or more aircraft, one of the people said, reports Bloomberg. The contest could go either way...