WASHINGTON, DC – JUNE 07: Committee Chairman Sen. Ron Johnson (R-WI) questions Peter Neffenger, administrator of the Transportation Security Administration, during Neffenger’s testimony before the Senate Homeland Security and Governmental Affairs Committee June 7, 2016 in Washington, DC. The committee heard testimony on the topic “Frustrated Travelers: Rethinking TSA Operations to Improve Passenger Screening and Address Threats to Aviation.” (Photo by Win McNamee/Getty Images)