Over the weekend, the conservative commentator Ann Coulter posted a series of tweets, each more scathing than the last, criticizing Delta for moving her to a different seat. While her complaints were fairly successful, leading the airline to refund her the extra $30 it cost to sit an a row with extra leg-room, the carrier also labeled her actions inappropriate. The exchange raised questions even for those passengers who aren’t as politically polarizing as Ms. Coulter: What is the most effective way to get good customer service?
After all Ms. Coulter’s complaints come amid a growing number of passenger complaints against

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