Prosecutor lines up Qwest executives against "Scarface" Nacchio Omaha.com The Denver Post reports that Federal prosecutors have now lined up former Qwest Pres/CEO Afshin Mohebbi to testify against former company executive Joe Nacchio. Sources do not expect Mohebbi to face any criminal charges. Former CFO Robin Szeliga pleaded guilty in July to insider trading and is also cooperating with the government