FILE - In this May 16, 2016 file photo, a long line of travelers waiting for the TSA security check point at O&#039;Hare International airport in Chicago. The Transportation Security Administration (TSA) has ousted its head of security operations and put new leadership in charge of screening operations at a major international airport, but long checkpoint lines and travel headaches already pervading the busy summer travel season are likely to continue. (AP Photo/Teresa Crawford, File)