Rick Rodriguez: Griego Erwin resigns amid internal inquiry into her columns By Rick Rodriguez -- Bee Executive Editor Published 2:15 am PDT Thursday, May 12, 2005 Diana Griego Erwin, whose column has appeared in this space three days a week, resigned Wednesday amid an internal inquiry into whether some people mentioned in several recent columns actually existed. During our inquiry we found we could not authenticate the existence of several people even though they were identified by name, age and sometimes by the neighborhoods in which they were reported to have lived. We used extensive online database searches as well...