I’ll start with an obvious statement: e-mail has become a vital communications medium in all facets of society. So it came as a surprise to me when Newsweek reported that during the course of congressional investigations into government responses to Hurricane Katrina, it was revealed that: Secretaries of Defense and Homeland Security Donald Rumsfeld and Michael Chertoff “do not use e-mail.” Granted, they have aides and staff to manage and filter e-mail traffic, but to be totally divorced from such an essential means of communication, and, more importantly, documentation of events and correspondences is unconscionable. Unbelievable…