If you’re old enough to remember – and to miss – nasty, name-calling public feuds between airlines and their top executives you’ll be happy to know that after a year (and really, much longer) some these crotchety old foes are firing away rhetorically at one another once again.

On Tuesday the CEOs of American, Delta and United airlines joined together in an advertisement in the New York Times to attack Qatar Airways for, the triumvirate says, finding a sneaky backdoor way of violating its year-old promise not to launch more service to the United States. Doug Parker (American), Ed Bastian (Delta) and Oscar Munoz (United) called out Qatar for its 48% ownership stake in Air Italy, which recently announced new service from Italy to both Los Angeles and San Francisco and additional flights to Miami. The trio asked President Donald Trump to block Air Italy’s service expansion to this country so long as the former regional carrier effectively is owned and controlled by Qatar, which itself is owned by the government of its home nation.

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