Someone posted this on Androids google + page not that it will change any thing but hey worth a try
Human Rights Petition: To bring Android 4.0 to Nexus S devices (both 4G and otherwise) in the USA.: Start rolling it out! | Change.org
Human Rights Petition: To bring Android 4.0 to Nexus S devices (both 4G and otherwise) in the USA.: Start rolling it out! | Change.org