Mayor Adrian Fenty held a press conference this morning to announce a slew of new cabinet-level nominations for his administration. Topping the list was his decision to go with current interim director of DCRA, Linda Argo, as his nominee to run the department. Argo was previously deputy director of DCRA, responsible for the agency’s public service enhancements. It’s a somewhat uncharacteristic move from Fenty, who has tended to focus his hiring efforts on bringing in…