There's a simple way to defeat any gym in 'Pokemon GO'

So you've been playing a lot of "Pokémon GO." You've reached level 5 and your Trainer is ready for action in one of the many gyms scattered around the world. It's all happening! 

You head out to a gym and - WHAM! - your carefully-trained Pokémon get obliterated by the occupying force of whatever stupid team.

Now, instead of that reality, let's imagine one where you show up to the gym - regardless of the level of the gym or the strength of the Pokémon therein - and completely annihilate the competition.

Here's how to do just that every time.