Dear Barack Obama,

I still believe in changing the political system and that there are ways to do so, but find your attempts too few or nonexistent. Also, you haven't followed through on promises made, e.g. closing Guantanamo. I think I would like my vote back.

Sincerely,
Chris

P.S.: I realize that the political system is a flawed organism and the task you set for yourself herculean, but still...