Waxad ku qortaa sii wadida faqradan - 1968 Branigin wuxuu helay dareenka qaranka markii uu u tartamay Lyndon B. Johnson doorashada madaxtinimada ee Indiana. Johnson wuxuu ka baxay tartanka 31kii Maarso 1968, laakiin Branigin wuxuu sii waday inuu u tartamo musharax ahaan Robert F. Kennedy iyo Eugene McCarthy. Branigin wuxuu rajaynayay in dadaalkiisa uu Indiana ka gaarsiin doono door weyn shirweynihii xisbiga Dimuqraadiga ee 1968
waxaanu ku noolnahay Chicago Branigin ayaa kaalinta labaad ka galay doorashadii Kennedy.