By Susan Laume: Linda Sperling conceded her race for Springfield District Supervisor Thursday, November 7, falling a few votes short of the 1% recount threshold. On election night, Sperling tallied 49.2% of the 40,512 total votes cast, narrowly behind long-term Republican incumbent Pat Herrity with 50.8%. Even after post-election canvassing moved approximately 200 votes into her camp, the total difference…