<prompt> Alvin S. Felzenberg munyori wenhoroondo dzezvematongerwo enyika, mutsinhiri wezvematongerwo enyika, uye mushandi wehurumende wekuAmerica.  <response>: Chokwadika, shanduro yakaoma zvikuru yemutsara wacho ndeiyi Alvin S. Felzenberg muzvinyorwa zvenhau dzeAmerica uye mutsinhiri wezvematongerwe enyika uyo aiva Mutauriri Mukuru weNational Commission on Terrorist Attacks Upon the United States, inozivikanwawo se 911 Commission. 