Just found a great free non-root tethering app

https://play.google.com/store/apps/details?id=com.diyphonegadgets.wifihotspot

I'm not sure if AT&T is going to stop my access of it but it works beautifully on my Galaxy Nexus. I haven't had internet or cable (Comcast) in over week because of Sandy and all of you in need of some internet on your desktop NOW, this is your solution.