Grand Canyoning 's John D. Sutter visits the Great Plains in Oklahoma , Tulsa . He says the singer 's populist ethic is sorely needed in modern music . Sutter : President keeps talking about income inequality `` I am out to sing songs that will prove to you that this is your world , '' Guthrie once said . but it does n't sink in .
Grand Canyoning 's John D. Sutter visits the Great Plains in Oklahoma , Tulsa . He says the singer 's populist ethic is sorely needed in modern music . Sutter : President keeps talking about income inequality but it does n't sink in .