Kurt Smolek, a Diplomatic Security special agent with the State Department and Dayton Police Academy graduate, was found dead in the Potomac River on Wednesday and the cause is listed as undetermined pending an autopsy. We're hearing tonight that Smolek, 45, is a 1998 academy graduate and one of his assignments as a special agent was as a member of Condoleezza Rice's security team. According to DC Metro police, Smolek was last seen Monday, Aug. 28, in the 600 block of Water Street, Southwest, about 10 p.m. A missing persons bulletin described hims as white with graying brown hair, brown...