Rex Sinquefield likes to write checks. In 2010, his $11.3 million bankrolled a successful ballot initiative banning new local income taxes in Missouri. It also required Kansas City and St. Louis voters to reaffirm their existing levies, which they later did.
That was a warm-up for Sinquefield’s much bigger target -- repealing Missouri’s statewide income tax. The retired index-fund pioneer, in stocking feet and a pullover shirt, explains his free-market vision in the parlor of his century-old, limestone St. Louis mansion.