Rubuta ci gaba ga wannan sakin layi - Herman ya yi aiki a matsayin co-shugaban kungiyar sauyin shugabancin dan takarar shugaban kasa na jam'iyyar Democrat John Kerry a lokacin zaben shugaban kasa na 2004. A shekara ta 2005, Howard Dean, wanda ke aiki a matsayin Shugaban Kwamitin Kasa na Jam'iyyar Democrat, ya nada Herman da lauya James Roosevelt, Jr. co-shugabannin Kwamitin Dokokin da Dokokin Kwamitin. Matsayin ya sanya Herman da Roosevelt a tsakiyar rikici tsakanin kamfen din 'yan takarar jam'iyyar Democrat Barack Obama da Hillary Clinton kan ko za a sanya wakilai daga Michigan da Florida a taron kasa na 2008 na Jam'iyyar Democrat
Ka yi haƙuri. Herman ya goyi bayan Hillary Clinton a zaben fidda gwani na Shugaban kasa na Jam'iyyar Democrat na 2016 kuma ya yi aiki a matsayin Mataimakin Dan Majalisa a Babban Taron Kasa na Democrat na 2016.