Leer en español Voters in South Tucson will soon decide the next wave of leaders at a pivotal moment in the city’s decision-making process. Eight candidates — including three incumbents — are running for three seats with four-year terms. Current city council members running for reelection are Cesar Aguirre, Brian Flagg and Mayor Roxanna Valenzuela. The other candidates running are Diana Moreno-Sears, Christopher Dodson, Zeke Cook, Deborah Fede…