Read the full story at The New York Times.Dave Carroll is the Canadian singer, whose song, “United Breaks Guitars,” chronicling his year-long struggle with United over claims that the airline broke his guitar, has amassed nearly 6 million views on YouTube and made him a popular speaker about customer service. On a recent trip to Denver to speak to customer service executives, “this Everyman symbol of the aggrieved traveler was treated, well, like just another customer,” Christine Negroni wrote for The New York Times. “United lost his bag.” A United spokesperson told The Times, ““We will fully investigate what regretfully happened.” That’s great fodder for Carroll — wonder if he’ll turn it into a song.