 Nyora kupfuurira kweiyi ndima - Nelson akatsigira Dennis Kucinich mushandirapamwe muna 2004 Democratic musarudzo dzemutungamiri wenyika. Akaunganidza mari, akaonekwa pazviitiko, uye akanyora rwiyo runoti Chii Chakaitika kuRugare Pasi Pano?, achishora hondo yeIraq. Akarekodha chiziviso cheredhiyo achikumbira rutsigiro rwekuisa muimbi munyori Kinky Friedman pavhoti semumiriri akazvimirira musarudzo dzemutungamiriri weTexas ya2006. Friedman akavimbisa Nelson basa muAustin somukuru weTexas Energy Commission itsva nemhaka yokutsigira kwake biofuels. Muna Ndira 2008, Nelson akamhanarira Texas Democratic Party, achitaura kuti bato rakaputsa Chekutanga uye cheGumi neChina Amendments yeUnited States Constitution nekuramba kubvumira mumwe-mhanari Kucinich kuti aoneke pavhoti yekutanga nekuti akange abvisa chikamu chevimbiso yekuvimbika pachirongwa chake. 