NBC’s Kristen Welker grilled Sean Duffy on the repeated air traffic control outages at Newark Liberty Airport and the transportation secretary didn’t seem convinced that his agency has a handle on the ongoing crisis.

We're going to build a brand-new air traffic control system — from new telecom, to new radars, to new infrastructure," Transportation Secretary Sean Duffy said.

After 100 days as Secretary of the Department of Transportation, Sean Duffy says he has the best job in the government, because he can make things safer for Americans.