Nyorai kuenderera mberi kweiyi ndima - Herman akashanda semutevedzeri wasachigaro wechikwata cheDemocratic presidential nominee John Kerry panguva yesarudzo yemutungamiri wenyika ya2004. Muna 2005, Howard Dean, achishanda saDemocratic National Committee Sachigaro, akasarudza Herman uye gweta James Roosevelt, Jr. vatungamiri veMitemo neMitemo yeKomiti. Chimiro ichi chakaisa Herman naRoosevelt pakati pekukakavadzana pakati pemishandirapamwe yevaDemocratic primary candidates Barack Obama naHillary Clinton pamusoro pekuti vagare here nhume kubva kuMichigan neFlorida pa2008 Democratic National Convention
. Herman akatsigira Hillary Clinton mu2016 Democratic Party Presidential primaries uye akashanda seMutevedzeri weParamende pa2016 Democratic National Convention.