Obituaries of residents from the District, Maryland and Northern Virginia.Libbie K. Gussow, party coordinator Libbie K. Gussow, 85, a party coordinator who in the 1980s managed the Washington office of Bluefeld Caterer, a Baltimore-based kosher catering company, died Dec. 30 at a hospice in Boynton Beach, Fla. The cause was complications from dementia, said her husband, retired Navy Cmdr.