absolutely! how can we citizens join this letter as a petition? obama has no authority under the constitution to organize such a militancy group, nor should he be allowed to do so. there should be some way that we, the people, can demand that he stand down, or be impeached.
Signing a petition at this stage just puts your name on a target list. Look at this:
What Good Can a Handgun Do Against An Army?
http://www.freerepublic.com/focus/f-backroom/2312894/posts