The University of California once was the nation's leading public institution of higher education, available at a cost any citizen could afford. This year, for the first time, UC gets more money from student tuition than it does from the state; and the Board of Regents is being asked to increase tuition by at least 8- and as much as 16 percent every year until 2016. Nanette Asimov writes about education for the San Francisco Chronicle.