A handful of tags have emerged to identify the country to which the question pertains. We've got uk, usa, and united-states.
Should we be using abbreviations (UK, USA) or full names (United-States, United-Kingdom) for our country tags? It would be best to standardize on one or the other now, and to set up tag synonyms so that we don't have duplicated tags like in the case of usa and united-states.