Source for Popular Vote data: MO Secretary of State. Election Night Tabular Results - Aug 7, 2012 Primary, MO Secretary of State (http://enr.sos.mo.gov/ENR/Views/TabularData.aspx?TabSRace=SpecifyARace^Races^0^1^2^Secretary%20of%20State^488624884533) (accessed 26 Jan 2013)