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In a move that could have far-reaching implications for the Tri-Valley, Safeway shareholders voted overwhelmingly Friday to approve the acquisition of the Pleasanton-based supermarket chain by an affiliate of Albertsons, another national supermarket firm that has its corporate headquarters in Boise, Idaho.

CalMatters is a Sacramento-based nonpartisan, nonprofit journalism venture committed to explaining how California's state Capitol works and why it matters. It works with more than 130 media partners throughout the state that have long, deep relationships with their local audiences, including Embarcadero Media.