Pedzisa mutsara unotevera: Kirshner ave achibatanidzwa neDemocratic National Conventions yose kubvira muna 1992. Pakati pemabasa aakaita mukugadzirwa kwemagungano, Kirshner akashanda semugadziri wegungano ra2000, mugadziri mukuru we
2008 uye 2012 magungano, co-mugadziri wegungano ra2016 (pamwe naVicangelo Bulluck), uye akatarisira kuronga kwe2020 Democratic National Convention.