It’s a tough moment for the Transportation Security Administration. The agency is under fire for long security screening lines at airports across the country. The head of the TSA is on Capitol Hill this morning, answering questions about the delays and what he is doing to fix them. A shake-up in TSA leadership has further focused attention on the agency’s troubles; the top security official was this week removed from his post, amid allegations of mismanagement and revelations that he received huge bonuses. This all comes just days after the EgyptAir crash put concerns about travel security front and center. We get an update on airport security and the TSA.