If you are based in North Cal­i­for­nia, you may be inter­est­ed in the class­es just announced by the UC Berke­ley Osh­er Life­long Learn­ing Insti­tute. “Berke­ley OLLI is an inquir­ing and stim­u­lat­ing com­mu­ni­ty of adults, age 50 and above, explor­ing new areas of knowl­edge and tra­di­tion­al dis­ci­plines, chal­leng­ing and fas­ci­nat­ing sub­jects.” If you are not in…