And second, Brown is a Democratic governor considering bills by Democratic legislators — thus, there's not much ideological warfare. Even though he's still more generous than the only other Democrat to hold the office since the 1960s, former Gov. Gray Davis, it has been Republicans who have racked up the highest veto rates. The record belongs to former Gov. Arnold Schwarzenegger, who in 2008 blocked 35% of the bills that landed on his desk.