You can add location information to your Tweets, such as your city or precise location, from the web and via third-party applications. You always have the option to delete your Tweet location history. Learn more
Except that any criticisms of the inaccurate rhetoric coming from @AnOpenSecret that verges on blatant propaganda gets you blocked. Hard to reconcile that when honesty and transparency are their goal.
Twitter may be over capacity or experiencing a momentary hiccup. Try again or visit Twitter Status for more information.