Is this the worst part of flying with kids?

Bad parents may be behind an epidemic of children having meltdowns at the airport lately. Here's how to know if you're part of the problem.

What happens when bad parents take their kids on a plane? Maybe you get the bizarre incidents I saw in a Scandinavian airport a few weeks ago.

There was one toddler sprawled across the terminal floor while Mom tried to politely negotiate with him to return to his stroller. There was a young child sternly lecturing two adults — probably his parents — as t…