Emeryville City Council member John Bauters was ahead of Oakland City Council President Nikki Fortunato Bas in the Alameda County supervisors race, early vote tallies showed Tuesday night. Both candidates promised to prioritize housing, homelessness, and public safety. They are running for the seat that Keith Carson has held since 1992. He announced in December that he would be retiring.   The seat represents Albany, Berkeley, Emeryville, Piedmont, and much of Oakland. “The position requires collaboration with local governments, community organizations, and…