LOS ANGELES Embarrassed by revelations that some executives got pricey perks on the quiet, University of California board members are tightening their grip on the system's finances. UC regents exhibited a new, more activist approach this week as they met at UCLA, asking pointed questions about the budgeting process and voting Thursday to take control of UC President Robert C. Dynes' office budget. Dynes, who has accepted responsibility for the compensation irregularities, is voluntarily giving up a raise this year because of the controversy, saying "the buck stops on my desk." Despite the problems, board Chairman Gerald Parsky said Dynes...