By City A.M. Comment Desk Offender: Town hallEvery one of us has been an email chain which is borderline unintelligible for the amount of corporate lingo thrown in there. At City A.M., we’re taking a stand and calling out the worst jargon which travels around the City faster than you can drink an overpriced pint. This week: town hall. What does it mean?A company-wide meeting, allegedly called to help employees connect with their benign superiors, but more usually held to remind the little people who they are. They may occur annually, quarterly or more frequently, depending on your misfortune. …