Have you ever had that one coworker who will manipulate every situation and use every tool and any loophole at their disposal in order to make sure that things always go their way? If you haven't, good for you, and please let me know how you've managed to avoid them for so long. These coworkers—Gary, let's call them Gary… Now, Gary is no dull blade; the ability to gaslight and manipulate your way through a team of people takes knowledge, brains, and skill. But Gary is often lazy, looking to avo…