Rubuta ci gaba ga wannan sakin layi - Tewes shi ne darektan jihar Iowa na yakin neman zaben shugaban kasa na Barack Obama na 2008
, kuma ya ci gaba bayan taron Iowa don jagorantar ayyukan filin Obama a cikin manyan jihohi kamar Nevada, Ohio da Pennsylvania. A cewar Huffington Post, Tewes "ana ɗaukarsa a matsayin ɗaya daga cikin mafi ƙwarewar masu shirya siyasa a cikin ƙasar", kuma "ya kasance mai alhakin nasarar da Obama ya samu a Iowa".