Oona Hathaway (international law), currently a tenure-track Associate Professor of Law at Yale Law School, has accepted a tenured offer from Boalt Hall School of Law at the University of California at Berkeley.   Her husband Jacob Hacker, currently Professor of Political Science at Yale, will also join the Berkeley faculty as a Professor of Political Science and as co-director, with Boalt Dean Christopher Edley, Jr., of a new Boalt Center on Health, Economic, and Social Security.