It’s been a brutal month for Newark Liberty International Airport, as telecommunications and radar outages have plagued one of the nation’s busiest airports, triggering delays and cancellations for thousands of passengers.

U.S. Transportation Secretary Sean Duffy addresses recent air traffic control outages at Newark Liberty International Airport, discusses the significant shortage of air traffic controllers, a spotlight on airline safety and more in an interview with CBS News senior transportation correspondent Kris Van Cleave.

Outages are not just a Newark problem—in recent weeks, at least three other U.S. airports have reported communication breakdowns that left air traffic controllers unable to contact pilots. The FAA's air traffic controllers manage roughly 45,