When Democratic leaders -- especially Assembly Speaker Fabian Núñez -- launched their drive to modify legislative term limits, they painted big targets on the backs of their well- tailored suits. A fundamental political tenet is that when someone really wants something, he or she cedes leverage to others, and Núñez really wants to change term limits because otherwise he and Senate leader Don Perata, among others, would be forced to give up their seats next year. Thus, the squeeze is on. An obvious example is Gov. Arnold Schwarzenegger's unsubtle threat to oppose the measure changing term limits unless Democrats place...