The all-party special primary will take place on Sept. 1. If, as expected, no candidate tops 50 percent of the vote, the top vote-getters from each party will advance to a Nov. 3 runoff.
Democrats are heavily favored to hold Tauschers East Bay seat. The top contenders, all Democrats, are Lt. Gov. John Garamendi, state Sen. Mark DeSaulnier and state Assemblywoman Joan Buchanan.
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