More than a decade after promising to end the practice, the University of California has given several top administrators lengthy paid leaves when they stepped down. In the past 13 months alone, at least three senior managers have received paid furloughs at their executive salaries before returning to teaching. Former UC Berkeley Chancellor Robert Berdahl received a 13 1/2-month leave at $315,600 a year. Former Lawrence Berkeley National Laboratory Directory Charles Shank is finishing a yearlong leave, during which he has earned $336,000. And Wednesday, UC said former Provost M.R.C. Greenwood had begun a 15-month leave with a $301,840 annual...