At United Airlines, Is Polite Disagreement Becoming Grounds For Removal From A Flight?

The thousandfold small indignities of air travel continue to mount. And you wonder, how far can this go? Then you read something like a recent series of posts by the Atlantic's James Fallows. Most of us just keep our heads down and try to slip through the system as unobtrusively as possible. But what if you complain, or inadvertently violate some rule you never heard of? Personnel at United are so on edge, or so intoxicated with arbitrary powers they now possess over passengers, that you run the...