disingenuous headline. America desperately needs to reform ATC hiring. This is the same headline as the professional trucking shortage in the USA and glosses over the real reasons no one will take these jobs. mandatory overtime, low wages, miserable benefits, high stress and a well documented history of retaliation against organized labor.
However, there isn't a massive pool of people abroad who can handle US airspace demands (which now seems to include helicopters flying in the approach pathways of active runways in VFR while wearing night vision goggles and ignoring their radar altimeters all so some DC asshat doesn't have to sit in a car for 20 minutes, and also includes people like my former college hallmates who take handheld aviation radios, ask for permission to depart, and run on the taxiways with their arms extended, to great dismay of ATC)