rosenberg ran in the 2005 election for chair of the democratic national committee. some progressive bloggers endorsed rosenberg, and even some who supported howard dean for the post of dnc chair, were friendly towards rosenberg's candidacy. his bid for dnc chair was endorsed by joe trippi, mike mccurry, chris heinz, rep. adam smith, and rep. artur davis. rosenberg ended his candidacy for the democratic national committee chairmanship on february 4, 2005. on february 12, howard dean was elected chairman.