One of the most talked-about news stories this week is how United Airlines “bumped” a passenger from its Chicago to Louisville flight on Sunday, and then literally bumped him off the plane when he refused to leave. As at least one writer explained clearly, the United episode is a result of the oligopoly that airlines have, with government approval of laws, rules and mergers that give airlines economic, and even physical, power over passengers. Given this airline power, the question becomes, how should consumers and voters respond? Here are a few ideas: