What do you get the man who turns 50? For Assembly Speaker Bob Hertzberg, it was a surprise party at the exclusive Jonathan Club with a quasi-endorsement in his bid for mayor from Republican Gov. Arnold Schwarzenegger. Schwarzenegger and his Democratic wife, Maria Shriver, former Mayor Richard Riordan and his Democratic wife, Nancy Daly, were among the 100 or so who roasted Hertzberg at the dinner. Schwarzenegger, according to guests, made it clear he could work well with a Mayor Bob Hertzberg, who was a key player in helping the governor get started in Sacramento. While not coming out officially...