FILE - In this June 2, 2016, file photo, United Airlines CEO Oscar Munoz waits to be interviewed in New York. Munoz will be the star witness as Congress examines customer service by U.S. airlines and how air travel can be improved. The hearing by the House Transportation Committee comes amid worldwide outrage sparked when a passenger was dragged off a United flight after refusing to give up his seat to a crew member. The April 9 incident ignited a debate about poor service and a lack of customer-friendly policies on U.S. airlines. (AP Photo/Richard Drew, File)
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