SAN ANTONIO — Just five months removed from departing as San Antonio mayor, Ron Nirenberg is inching closer to the starting line of his next political pursuit: the office of Bexar County judge.

As Nirenberg teases a "big announcement" to be revealed at a Saturday gathering, records show he filed a campaign treasurer appointment with the county's elections office on Monday—traditionally the first step in preparing to run for elected office. That document confirms he's seeking the position of county judge, which presides over the five-member Bexar County Commissioners Court.

Saturday's announcement at Backyard on Broadway is expected to mark the official launch to his campaign. Having stumped for the Harris-Walz presidential ticket in 2024, he's expected to run as a Democrat—putting him

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