The bottom line is this, friends: Whatever your political leanings, an airplane isn't a place for bravado or abusive behavior. In fact, it might be the worst place for that kind of thing. If you feel like you might be causing a scene, you probably are. Kindly take your seat, put on your headphones, and save that outburst for when you're back on the ground.
Unless you're flying with Spirit, in which case a lifetime ban is actually preferable.
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