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California gubernatorial candidates Jerry Brown (L) and Meg Whitman (R).

This is a big week for California politics. Tomorrow the candidates for California governor Meg Whitman and Jerry Brown square off in a debate at UC Davis.

And on Wednesday, KPCC hosts the Senate candidates Carly Fiorina and Barbara Boxer in a debate. There are also several new polls out. KPCC's Frank Stoltze is with us to give us our politics preview.