He called himself "Al Qaeda" and told an employee he was sent to the Maryland Public Service Commission to thin the regulatory agency's ranks and bring in friends of the governor's administration, the agency's former spokeswoman said yesterday. Craig Chesek, who became the PSC's chief of staff in 2003, helped create an agency better suited to represent utilities than consumers, Chrys Wilson told a special legislative committee investigating the hiring and firing practices of Republican Gov. Robert L. Ehrlich Jr. --Snip-- The highlight of the probe was expected at the next meeting with the testimony of Joseph Steffen, the former...