The acting head of the Transportation Security Administration says air travelers are experiencing the highest airport wait times ever under her agency. In testimony Wednesday before a House committee, Ha Nguyen McNeill described the mounting hardships facing unpaid airport workers. Bills and eviction notices are piling up, and some workers are resorting to plasma donations to make ends meet. Her appearance on Capitol Hill comes as the latest offer to end a funding impasse and put restraints on President Donald Trump’s mass deportation agenda is running into fierce resistance. But there appears to be no end in sight on the 40th day of the stalemate involving the Department of Homeland Security.