In the United States, every citizen over the age of 18 has the right to vote a congressman or congresswoman into office to represent the interests of his or her district -- except for roughly 650,000 citizens who have the misfortune of living within a 100 square mile grid surrounding the nation’s capitol. Although the city of Washington, D.C. has a congresswoman -- U.S. Rep. Eleanor Holmes Norton -- she is a non-voting delegate. Unlike territories like Guam or Puerto Rico that also have a non-v...