That sound you hear could be the result of worry beads rubbing furiously against each other. It is an open question as to whether those worry beads are being rubbed by California Democrats or by Politico writer Melanie Mason or by both.The source of the angst is that there are just too many Democrats running for Governor of the Golden State, with eight so far that have thrown their hats into the ring. And why should this be a cause for worry? Because since California has an open nonpartisan primary next June, such a crowded Democrat field threatens to divide...