Incumbent Jeff Denham has plastered the 10th District with signs, but the primary will come down to a fight between Democrat Jose Hernandez and Independent Chad Condit.
Next week, voters will cast their ballots in the first statewide election to test a new primary system in which the top two vote-getters will move on to face-off in November. Will that help independents and those challenging incumbents? One test will come in Stanislaus County's 10th Congressional District. That primary comes down to a fight between a farmworker-turned-astronaut and the son of a disgraced congressman. Reporter: Sasha Khokha