The Star suggested last week that an ombudsman (or woman) — independent, forthright, and tough — might well be worth considering for an East Hampton Town government that has suffered from inappropriate or incompetent leadership for nearly a decade. That observation was made before county officials delivered a stunning repudiation last week of a Town Hall plan to create a new high-density housing zone for wealthy, over-50 residents and to apply it to a site in Amagansett.