Pacific Heights is San Francisco's most exclusive sectionand it looks it. Pretty young socialites walk their Afghan hounds along well-kept streets. Well-heeled business executives ride by in chauffeured Rolls-Royces. Baronial mansions overlook the rest of the city. The tenants of one of these mansions do not quite fit the neighborhood picture of opulent elegance: they are 170 former drug addicts and ex-convicts who have done time for crimes ranging from petty theft to armed robbery.
Calling themselves the Delancey Street Family, these unlikely tenants have formed a new "therapeutic community" that is partly...