Lawrence Summers, the controversial former president of Harvard University, has been replaced as the planned speaker at a UC Board of Regents dinner next week after complaints from faculty members. "(UC Regents) Chairman Richard Blum and Dr. Summers talked last Thursday and agreed that the regents would have a different speaker," Trey Davis, director of special projects for the UC system, said Saturday. Davis was unable to say whether a protest letter signed by more than 300 people from the university system had any effect on the decision to find a different speaker for the regents' dinner in Sacramento on...