How did our air traffic control system issue get so bad?

They said that the systems have not been updated since the late 70's. They are still using Copper wire and old technology. No wonder New Jersey's airports are so fouled up and with delayed and canceled flights. There is a shortage of overworked Air Traffic Controllers and It takes 4 years to train them. Also, it's going to take $Billions to reboot the system to new technology. Maybe Trump should put a tariff on every piece of luggage a passenger brings into the airport to pay for all this. Guess we're going go back to riding trains. 😦

How did our air traffic control system issue get so bad?
How did our air traffic control system issue get so bad?
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