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Since 2008, citizens can donate as much money as they like to political candidates. And no one has shelled out more in Missouri than Rex Sinquefield.
The retired financier spent nearly seven times more than the second biggest donor. According to the St. Louis Beacon, Sinquefield has supported reforming the education system by eliminating teaching tenure and establishing tax credits for public schools. Sinquefield also supports eliminating the state income tax and replacing it with an expanded sales tax. Sinquefield donates to both political parties.