Transportation Secretary and Acting NASA Administrator Sean Duffy joins 'Squawk Box' to discuss upgrades to air traffic control system, increasing the number of air traffic controllers, his thoughts on the job performance of his predecessor,

Transportation Secretary Sean Duffy says he is optimistic a “brand new system” for air-traffic control can be implemented in the next four years, previewing plans for the $31.5 billion fix on “Pod

Transportation Secretary Sean Duffy detailed his spat with Elon Musk over firing air traffic controllers during an appearance on the New York Post's "Pod Force One" podcast Wednesday.