DALLAS (Standard&Poor's) Sept. 16, 2010-- Standard&Poor's Ratings Services assigned its 'AA' long-term rating to Nashville and Davidson County Metropolitan Government (Metro), Tenn.'s $287 million series 2010D general obligation (GO) refunding bonds. At the same time, Standard&Poor's affirmed its 'AA' long-term and underlying rating (SPUR) on Metro's outstanding GO debt. The outlook on all ratings is stable. "The rating reflects our view of the steps taken by management to control expenditure growth and continued gains in the property tax base," said Standard&Poor's credit analyst Sarah Smaardyk. "Further supporting the rating is our view of Metro's moderate overall debt levels, coupled with reasonable capacity to fund projects identified in its capital improvement plan." Officials