The Human Cost: How not to be a jerk when you travel this summer, according to TSA workers and flight attendants

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Travel is back with a bang. And so is the nastiness that comes along with it.

With a surge in air travel, unruly travelers are back in full force. Some recent viral moments: A man raging on board an aircraft about a crying baby and another passenger being so argumentative with airline attendants that United Airlines UAL had to turn a flight around.

In…