At the suggestion of broknindarkagain, I have added this new thread, stickied at the top here, for petitions for open carry in the various states. If you know of any others, please let me know and I will add them.
Florida Open Carry Petition
South Carolina Open Carry of Handguns Petition
Texas Open Carry of Handguns Petition
Oklahoma Petition to Restore Open Carry Rights
Arkansas Petition For Open Carry Of Handguns Petition