Boeing (BA 0.85%) received some positive commentary over a critical issue for its future. At a recent International Air Transport Association (IATA) summit, the president of Emirates airline, Tim Clark, made positive comments on the new widebody 777X, which should reassure investors that Boeing is on the right track under CEO Kelly Ortberg. Here's why. The 777X was initially intended to have its first delivery in 2020, and the subsequent delays to that timeline have proved embarrassing and costly for Boeing ...