Billionaire Elon Musk is asking for some retired air traffic controllers to consider returning to work to assist with the shortage of "top-notch" staffing.

Elon Musk called Thursday for retired air traffic controllers to consider returning to work amid staffing shortages — but a federal law means doing so isn't so simple. The big picture: Hiring shortages have long plagued air traffic controllers in already stressful roles overseeing critical airspace,